Finding the Fourth Proportional to 143,898.47, 215,874.37 and 49,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   143,898.47 : 215,874.37 = 49,123.46 : x
2. Step 2: Convert to fraction form
   143,898.47/215,874.37 = 49,123.46/x
3. Step 3: Cross multiply
   143,898.47x = 215,874.37 × 49,123.46
4. Step 4: Simplify right side
   143,898.47x = 10,604,496,304.49
5. Step 5: Solve for x
   x = 10,604,496,304.49/143,898.47
6. Step 6: Final answer
   x = 73,694.29