Finding the Fourth Proportional to 23,108.61, 31,889.73 and 12,498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,108.61 : 31,889.73 = 12,498.22 : x
2. Step 2: Convert to fraction form
   23,108.61/31,889.73 = 12,498.22/x
3. Step 3: Cross multiply
   23,108.61x = 31,889.73 × 12,498.22
4. Step 4: Simplify right side
   23,108.61x = 398,564,861.28
5. Step 5: Solve for x
   x = 398,564,861.28/23,108.61
6. Step 6: Final answer
   x = 17,247.46