Finding the Fourth Proportional to 23,601.79, 32,566.72 and 13,528.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,601.79 : 32,566.72 = 13,528.30 : x
2. Step 2: Convert to fraction form
   23,601.79/32,566.72 = 13,528.30/x
3. Step 3: Cross multiply
   23,601.79x = 32,566.72 × 13,528.30
4. Step 4: Simplify right side
   23,601.79x = 440,572,358.18
5. Step 5: Solve for x
   x = 440,572,358.18/23,601.79
6. Step 6: Final answer
   x = 18,666.90