Finding the Fourth Proportional to 23,179.52, 31,987.50 and 12,569.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,179.52 : 31,987.50 = 12,569.06 : x
2. Step 2: Convert to fraction form
   23,179.52/31,987.50 = 12,569.06/x
3. Step 3: Cross multiply
   23,179.52x = 31,987.50 × 12,569.06
4. Step 4: Simplify right side
   23,179.52x = 402,052,806.75
5. Step 5: Solve for x
   x = 402,052,806.75/23,179.52
6. Step 6: Final answer
   x = 17,345.17