Finding the Fourth Proportional to 23,200.98, 32,017.20 and 12,590.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.98 : 32,017.20 = 12,590.39 : x
2. Step 2: Convert to fraction form
   23,200.98/32,017.20 = 12,590.39/x
3. Step 3: Cross multiply
   23,200.98x = 32,017.20 × 12,590.39
4. Step 4: Simplify right side
   23,200.98x = 403,108,874.62
5. Step 5: Solve for x
   x = 403,108,874.62/23,200.98
6. Step 6: Final answer
   x = 17,374.65