Finding the Fourth Proportional to 160,339.29, 240,490.50 and 42,019.95

Step by Step Solution

1. Step 1: Write the proportion equation
   160,339.29 : 240,490.50 = 42,019.95 : x
2. Step 2: Convert to fraction form
   160,339.29/240,490.50 = 42,019.95/x
3. Step 3: Cross multiply
   160,339.29x = 240,490.50 × 42,019.95
4. Step 4: Simplify right side
   160,339.29x = 10,105,398,785.48
5. Step 5: Solve for x
   x = 10,105,398,785.48/160,339.29
6. Step 6: Final answer
   x = 63,025.09