Finding the Fourth Proportional to 88,767.10, 133,150.65 and 42,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,767.10 : 133,150.65 = 42,111.10 : x
2. Step 2: Convert to fraction form
   88,767.10/133,150.65 = 42,111.10/x
3. Step 3: Cross multiply
   88,767.10x = 133,150.65 × 42,111.10
4. Step 4: Simplify right side
   88,767.10x = 5,607,120,337.22
5. Step 5: Solve for x
   x = 5,607,120,337.22/88,767.10
6. Step 6: Final answer
   x = 63,166.65