Finding the Fourth Proportional to 23,098.10, 31,875.32 and 12,487.70

Step by Step Solution

1. Step 1: Write the proportion equation
   23,098.10 : 31,875.32 = 12,487.70 : x
2. Step 2: Convert to fraction form
   23,098.10/31,875.32 = 12,487.70/x
3. Step 3: Cross multiply
   23,098.10x = 31,875.32 × 12,487.70
4. Step 4: Simplify right side
   23,098.10x = 398,049,544.47
5. Step 5: Solve for x
   x = 398,049,544.47/23,098.10
6. Step 6: Final answer
   x = 17,233.00