Finding the Fourth Proportional to 82,471.52, 123,493.14 and 70,700.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,471.52 : 123,493.14 = 70,700.60 : x
2. Step 2: Convert to fraction form
   82,471.52/123,493.14 = 70,700.60/x
3. Step 3: Cross multiply
   82,471.52x = 123,493.14 × 70,700.60
4. Step 4: Simplify right side
   82,471.52x = 8,731,039,402.62
5. Step 5: Solve for x
   x = 8,731,039,402.62/82,471.52
6. Step 6: Final answer
   x = 105,867.32