Finding the Fourth Proportional to 23,154.06, 31,952.50 and 12,543.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,154.06 : 31,952.50 = 12,543.72 : x
2. Step 2: Convert to fraction form
   23,154.06/31,952.50 = 12,543.72/x
3. Step 3: Cross multiply
   23,154.06x = 31,952.50 × 12,543.72
4. Step 4: Simplify right side
   23,154.06x = 400,803,213.30
5. Step 5: Solve for x
   x = 400,803,213.30/23,154.06
6. Step 6: Final answer
   x = 17,310.28