Finding the Fourth Proportional to 12,499.27, 18,758.12 and 5,925.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.27 : 18,758.12 = 5,925.43 : x
2. Step 2: Convert to fraction form
   12,499.27/18,758.12 = 5,925.43/x
3. Step 3: Cross multiply
   12,499.27x = 18,758.12 × 5,925.43
4. Step 4: Simplify right side
   12,499.27x = 111,149,926.99
5. Step 5: Solve for x
   x = 111,149,926.99/12,499.27
6. Step 6: Final answer
   x = 8,892.51