Finding the Fourth Proportional to 12,925.89, 19,387.76 and 5,132.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.89 : 19,387.76 = 5,132.61 : x
2. Step 2: Convert to fraction form
   12,925.89/19,387.76 = 5,132.61/x
3. Step 3: Cross multiply
   12,925.89x = 19,387.76 × 5,132.61
4. Step 4: Simplify right side
   12,925.89x = 99,509,785.19
5. Step 5: Solve for x
   x = 99,509,785.19/12,925.89
6. Step 6: Final answer
   x = 7,698.49