Finding the Fourth Proportional to 23,572.84, 32,531.72 and 12,963.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,572.84 : 32,531.72 = 12,963.88 : x
2. Step 2: Convert to fraction form
   23,572.84/32,531.72 = 12,963.88/x
3. Step 3: Cross multiply
   23,572.84x = 32,531.72 × 12,963.88
4. Step 4: Simplify right side
   23,572.84x = 421,737,314.27
5. Step 5: Solve for x
   x = 421,737,314.27/23,572.84
6. Step 6: Final answer
   x = 17,890.81