Finding the Fourth Proportional to 117,202,637.52, 161,731,726.56 and 67,645,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,202,637.52 : 161,731,726.56 = 67,645,100.88 : x
2. Step 2: Convert to fraction form
   117,202,637.52/161,731,726.56 = 67,645,100.88/x
3. Step 3: Cross multiply
   117,202,637.52x = 161,731,726.56 × 67,645,100.88
4. Step 4: Simplify right side
   117,202,637.52x = 10,940,358,958,647,774
5. Step 5: Solve for x
   x = 10,940,358,958,647,774/117,202,637.52
6. Step 6: Final answer
   x = 93,345,671.99