Finding the Fourth Proportional to 150,592.64, 224,658.71 and 139,854.47

Step by Step Solution

1. Step 1: Write the proportion equation
   150,592.64 : 224,658.71 = 139,854.47 : x
2. Step 2: Convert to fraction form
   150,592.64/224,658.71 = 139,854.47/x
3. Step 3: Cross multiply
   150,592.64x = 224,658.71 × 139,854.47
4. Step 4: Simplify right side
   150,592.64x = 31,419,523,519.82
5. Step 5: Solve for x
   x = 31,419,523,519.82/150,592.64
6. Step 6: Final answer
   x = 208,639.18