Finding the Fourth Proportional to 74,569.52, 102,910.37 and 42,740.48

Step by Step Solution

1. Step 1: Write the proportion equation
   74,569.52 : 102,910.37 = 42,740.48 : x
2. Step 2: Convert to fraction form
   74,569.52/102,910.37 = 42,740.48/x
3. Step 3: Cross multiply
   74,569.52x = 102,910.37 × 42,740.48
4. Step 4: Simplify right side
   74,569.52x = 4,398,437,882.52
5. Step 5: Solve for x
   x = 4,398,437,882.52/74,569.52
6. Step 6: Final answer
   x = 58,984.40