Finding the Fourth Proportional to 160,646.86, 240,972.72 and 42,330.16

Step by Step Solution

1. Step 1: Write the proportion equation
   160,646.86 : 240,972.72 = 42,330.16 : x
2. Step 2: Convert to fraction form
   160,646.86/240,972.72 = 42,330.16/x
3. Step 3: Cross multiply
   160,646.86x = 240,972.72 × 42,330.16
4. Step 4: Simplify right side
   160,646.86x = 10,200,413,793.24
5. Step 5: Solve for x
   x = 10,200,413,793.24/160,646.86
6. Step 6: Final answer
   x = 63,495.88