Finding the Fourth Proportional to 52,089.57, 71,871.17 and 30,865.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,089.57 : 71,871.17 = 30,865.14 : x
2. Step 2: Convert to fraction form
   52,089.57/71,871.17 = 30,865.14/x
3. Step 3: Cross multiply
   52,089.57x = 71,871.17 × 30,865.14
4. Step 4: Simplify right side
   52,089.57x = 2,218,313,569.69
5. Step 5: Solve for x
   x = 2,218,313,569.69/52,089.57
6. Step 6: Final answer
   x = 42,586.52