Finding the Fourth Proportional to 43,131.20, 59,553.50 and 42,442.29

Step by Step Solution

1. Step 1: Write the proportion equation
   43,131.20 : 59,553.50 = 42,442.29 : x
2. Step 2: Convert to fraction form
   43,131.20/59,553.50 = 42,442.29/x
3. Step 3: Cross multiply
   43,131.20x = 59,553.50 × 42,442.29
4. Step 4: Simplify right side
   43,131.20x = 2,527,586,705.30
5. Step 5: Solve for x
   x = 2,527,586,705.30/43,131.20
6. Step 6: Final answer
   x = 58,602.29