Finding the Fourth Proportional to 23,501.26, 32,432.15 and 12,890.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.26 : 32,432.15 = 12,890.86 : x
2. Step 2: Convert to fraction form
   23,501.26/32,432.15 = 12,890.86/x
3. Step 3: Cross multiply
   23,501.26x = 32,432.15 × 12,890.86
4. Step 4: Simplify right side
   23,501.26x = 418,078,305.15
5. Step 5: Solve for x
   x = 418,078,305.15/23,501.26
6. Step 6: Final answer
   x = 17,789.61