Finding the Fourth Proportional to 23,538.50, 32,486.01 and 13,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,538.50 : 32,486.01 = 13,602.50 : x
2. Step 2: Convert to fraction form
   23,538.50/32,486.01 = 13,602.50/x
3. Step 3: Cross multiply
   23,538.50x = 32,486.01 × 13,602.50
4. Step 4: Simplify right side
   23,538.50x = 441,890,951.03
5. Step 5: Solve for x
   x = 441,890,951.03/23,538.50
6. Step 6: Final answer
   x = 18,773.11