Finding the Fourth Proportional to 71,760.55, 107,640.72 and 24,380.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,760.55 : 107,640.72 = 24,380.56 : x
2. Step 2: Convert to fraction form
   71,760.55/107,640.72 = 24,380.56/x
3. Step 3: Cross multiply
   71,760.55x = 107,640.72 × 24,380.56
4. Step 4: Simplify right side
   71,760.55x = 2,624,341,235.52
5. Step 5: Solve for x
   x = 2,624,341,235.52/71,760.55
6. Step 6: Final answer
   x = 36,570.81