Finding the Fourth Proportional to 275,941.98, 413,703.03 and 142,737.42

Step by Step Solution

1. Step 1: Write the proportion equation
   275,941.98 : 413,703.03 = 142,737.42 : x
2. Step 2: Convert to fraction form
   275,941.98/413,703.03 = 142,737.42/x
3. Step 3: Cross multiply
   275,941.98x = 413,703.03 × 142,737.42
4. Step 4: Simplify right side
   275,941.98x = 59,050,903,148.38
5. Step 5: Solve for x
   x = 59,050,903,148.38/275,941.98
6. Step 6: Final answer
   x = 213,997.53