Finding the Fourth Proportional to 88,949.42, 133,440.30 and 42,201.86

Step by Step Solution

1. Step 1: Write the proportion equation
   88,949.42 : 133,440.30 = 42,201.86 : x
2. Step 2: Convert to fraction form
   88,949.42/133,440.30 = 42,201.86/x
3. Step 3: Cross multiply
   88,949.42x = 133,440.30 × 42,201.86
4. Step 4: Simplify right side
   88,949.42x = 5,631,428,858.96
5. Step 5: Solve for x
   x = 5,631,428,858.96/88,949.42
6. Step 6: Final answer
   x = 63,310.46