Finding the Fourth Proportional to 237,776.46, 328,141.72 and 142,264.78

Step by Step Solution

1. Step 1: Write the proportion equation
   237,776.46 : 328,141.72 = 142,264.78 : x
2. Step 2: Convert to fraction form
   237,776.46/328,141.72 = 142,264.78/x
3. Step 3: Cross multiply
   237,776.46x = 328,141.72 × 142,264.78
4. Step 4: Simplify right side
   237,776.46x = 46,683,009,604.62
5. Step 5: Solve for x
   x = 46,683,009,604.62/237,776.46
6. Step 6: Final answer
   x = 196,331.50