Finding the Fourth Proportional to 89,359.48, 134,042.10 and 42,617.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,359.48 : 134,042.10 = 42,617.08 : x
2. Step 2: Convert to fraction form
   89,359.48/134,042.10 = 42,617.08/x
3. Step 3: Cross multiply
   89,359.48x = 134,042.10 × 42,617.08
4. Step 4: Simplify right side
   89,359.48x = 5,712,482,899.07
5. Step 5: Solve for x
   x = 5,712,482,899.07/89,359.48
6. Step 6: Final answer
   x = 63,926.99