Finding the Fourth Proportional to 23,507.40, 32,440.89 and 13,437.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,507.40 : 32,440.89 = 13,437.48 : x
2. Step 2: Convert to fraction form
   23,507.40/32,440.89 = 13,437.48/x
3. Step 3: Cross multiply
   23,507.40x = 32,440.89 × 13,437.48
4. Step 4: Simplify right side
   23,507.40x = 435,923,810.56
5. Step 5: Solve for x
   x = 435,923,810.56/23,507.40
6. Step 6: Final answer
   x = 18,544.11