Finding the Fourth Proportional to 448,456,616,280.60, 672,686,669,638.71 and 108,495,248,847.23

Step by Step Solution

1. Step 1: Write the proportion equation
   448,456,616,280.60 : 672,686,669,638.71 = 108,495,248,847.23 : x
2. Step 2: Convert to fraction form
   448,456,616,280.60/672,686,669,638.71 = 108,495,248,847.23/x
3. Step 3: Cross multiply
   448,456,616,280.60x = 672,686,669,638.71 × 108,495,248,847.23
4. Step 4: Simplify right side
   448,456,616,280.60x = 72,983,307,618,666,231,627,776
5. Step 5: Solve for x
   x = 72,983,307,618,666,231,627,776/448,456,616,280.60
6. Step 6: Final answer
   x = 162,743,295,491.93