Finding the Fourth Proportional to 23,189.02, 32,000.85 and 12,578.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,189.02 : 32,000.85 = 12,578.62 : x
2. Step 2: Convert to fraction form
   23,189.02/32,000.85 = 12,578.62/x
3. Step 3: Cross multiply
   23,189.02x = 32,000.85 × 12,578.62
4. Step 4: Simplify right side
   23,189.02x = 402,526,531.83
5. Step 5: Solve for x
   x = 402,526,531.83/23,189.02
6. Step 6: Final answer
   x = 17,358.50