Finding the Fourth Proportional to 82,917,123.84, 123,524,697.60 and 79,186,425.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,917,123.84 : 123,524,697.60 = 79,186,425.60 : x
2. Step 2: Convert to fraction form
   82,917,123.84/123,524,697.60 = 79,186,425.60/x
3. Step 3: Cross multiply
   82,917,123.84x = 123,524,697.60 × 79,186,425.60
4. Step 4: Simplify right side
   82,917,123.84x = 9,781,479,276,264,898
5. Step 5: Solve for x
   x = 9,781,479,276,264,898/82,917,123.84
6. Step 6: Final answer
   x = 117,966,938.83