Finding the Fourth Proportional to 23,200.72, 32,017.61 and 12,590.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.72 : 32,017.61 = 12,590.36 : x
2. Step 2: Convert to fraction form
   23,200.72/32,017.61 = 12,590.36/x
3. Step 3: Cross multiply
   23,200.72x = 32,017.61 × 12,590.36
4. Step 4: Simplify right side
   23,200.72x = 403,113,236.24
5. Step 5: Solve for x
   x = 403,113,236.24/23,200.72
6. Step 6: Final answer
   x = 17,375.04