Finding the Fourth Proportional to 82,780.96, 124,059.60 and 59,356

Step by Step Solution

1. Step 1: Write the proportion equation
   82,780.96 : 124,059.60 = 59,356 : x
2. Step 2: Convert to fraction form
   82,780.96/124,059.60 = 59,356/x
3. Step 3: Cross multiply
   82,780.96x = 124,059.60 × 59,356
4. Step 4: Simplify right side
   82,780.96x = 7,363,681,617.60
5. Step 5: Solve for x
   x = 7,363,681,617.60/82,780.96
6. Step 6: Final answer
   x = 88,953.81