Finding the Fourth Proportional to 23,200.74, 32,017.10 and 12,590.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.74 : 32,017.10 = 12,590.37 : x
2. Step 2: Convert to fraction form
   23,200.74/32,017.10 = 12,590.37/x
3. Step 3: Cross multiply
   23,200.74x = 32,017.10 × 12,590.37
4. Step 4: Simplify right side
   23,200.74x = 403,107,072.38
5. Step 5: Solve for x
   x = 403,107,072.38/23,200.74
6. Step 6: Final answer
   x = 17,374.75