Finding the Fourth Proportional to 12,473.34, 18,709.49 and 5,807.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,473.34 : 18,709.49 = 5,807.55 : x
2. Step 2: Convert to fraction form
   12,473.34/18,709.49 = 5,807.55/x
3. Step 3: Cross multiply
   12,473.34x = 18,709.49 × 5,807.55
4. Step 4: Simplify right side
   12,473.34x = 108,656,269.61
5. Step 5: Solve for x
   x = 108,656,269.61/12,473.34
6. Step 6: Final answer
   x = 8,711.08