Finding the Fourth Proportional to 23,468.59, 32,378.56 and 13,389.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,468.59 : 32,378.56 = 13,389.76 : x
2. Step 2: Convert to fraction form
   23,468.59/32,378.56 = 13,389.76/x
3. Step 3: Cross multiply
   23,468.59x = 32,378.56 × 13,389.76
4. Step 4: Simplify right side
   23,468.59x = 433,541,147.55
5. Step 5: Solve for x
   x = 433,541,147.55/23,468.59
6. Step 6: Final answer
   x = 18,473.25