Finding the Fourth Proportional to 23,490.03, 32,416.71 and 12,879.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,490.03 : 32,416.71 = 12,879.03 : x
2. Step 2: Convert to fraction form
   23,490.03/32,416.71 = 12,879.03/x
3. Step 3: Cross multiply
   23,490.03x = 32,416.71 × 12,879.03
4. Step 4: Simplify right side
   23,490.03x = 417,495,780.59
5. Step 5: Solve for x
   x = 417,495,780.59/23,490.03
6. Step 6: Final answer
   x = 17,773.32