Finding the Fourth Proportional to 23,561.12, 32,516.18 and 13,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,561.12 : 32,516.18 = 13,492.72 : x
2. Step 2: Convert to fraction form
   23,561.12/32,516.18 = 13,492.72/x
3. Step 3: Cross multiply
   23,561.12x = 32,516.18 × 13,492.72
4. Step 4: Simplify right side
   23,561.12x = 438,731,712.21
5. Step 5: Solve for x
   x = 438,731,712.21/23,561.12
6. Step 6: Final answer
   x = 18,621.00