Finding the Fourth Proportional to 82,969,484.70, 124,215,078.60 and 82,969,484.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,969,484.70 : 124,215,078.60 = 82,969,484.70 : x
2. Step 2: Convert to fraction form
   82,969,484.70/124,215,078.60 = 82,969,484.70/x
3. Step 3: Cross multiply
   82,969,484.70x = 124,215,078.60 × 82,969,484.70
4. Step 4: Simplify right side
   82,969,484.70x = 10,306,061,063,411,998
5. Step 5: Solve for x
   x = 10,306,061,063,411,998/82,969,484.70
6. Step 6: Final answer
   x = 124,215,078.60