Finding the Fourth Proportional to 123,756,239,482.50, 185,444,889,380.12 and 83,269,128,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,756,239,482.50 : 185,444,889,380.12 = 83,269,128,162.52 : x
2. Step 2: Convert to fraction form
   123,756,239,482.50/185,444,889,380.12 = 83,269,128,162.52/x
3. Step 3: Cross multiply
   123,756,239,482.50x = 185,444,889,380.12 × 83,269,128,162.52
4. Step 4: Simplify right side
   123,756,239,482.50x = 15,441,834,260,877,556,056,064
5. Step 5: Solve for x
   x = 15,441,834,260,877,556,056,064/123,756,239,482.50
6. Step 6: Final answer
   x = 124,776,207,853.84