Finding the Fourth Proportional to 23,657.90, 32,647.89 and 13,047.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,657.90 : 32,647.89 = 13,047.55 : x
2. Step 2: Convert to fraction form
   23,657.90/32,647.89 = 13,047.55/x
3. Step 3: Cross multiply
   23,657.90x = 32,647.89 × 13,047.55
4. Step 4: Simplify right side
   23,657.90x = 425,974,895.55
5. Step 5: Solve for x
   x = 425,974,895.55/23,657.90
6. Step 6: Final answer
   x = 18,005.61