Finding the Fourth Proportional to 23,561.59, 32,513.34 and 12,951.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,561.59 : 32,513.34 = 12,951.91 : x
2. Step 2: Convert to fraction form
   23,561.59/32,513.34 = 12,951.91/x
3. Step 3: Cross multiply
   23,561.59x = 32,513.34 × 12,951.91
4. Step 4: Simplify right side
   23,561.59x = 421,109,788.72
5. Step 5: Solve for x
   x = 421,109,788.72/23,561.59
6. Step 6: Final answer
   x = 17,872.72