Finding the Fourth Proportional to 88,718.10, 133,077.15 and 42,062.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,718.10 : 133,077.15 = 42,062.10 : x
2. Step 2: Convert to fraction form
   88,718.10/133,077.15 = 42,062.10/x
3. Step 3: Cross multiply
   88,718.10x = 133,077.15 × 42,062.10
4. Step 4: Simplify right side
   88,718.10x = 5,597,504,391.02
5. Step 5: Solve for x
   x = 5,597,504,391.02/88,718.10
6. Step 6: Final answer
   x = 63,093.15