Finding the Fourth Proportional to 12,592.89, 17,375.38 and 7,816.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,592.89 : 17,375.38 = 7,816.73 : x
2. Step 2: Convert to fraction form
   12,592.89/17,375.38 = 7,816.73/x
3. Step 3: Cross multiply
   12,592.89x = 17,375.38 × 7,816.73
4. Step 4: Simplify right side
   12,592.89x = 135,818,547.69
5. Step 5: Solve for x
   x = 135,818,547.69/12,592.89
6. Step 6: Final answer
   x = 10,785.34