Finding the Fourth Proportional to 23,460.28, 32,377.52 and 13,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,460.28 : 32,377.52 = 13,390.25 : x
2. Step 2: Convert to fraction form
   23,460.28/32,377.52 = 13,390.25/x
3. Step 3: Cross multiply
   23,460.28x = 32,377.52 × 13,390.25
4. Step 4: Simplify right side
   23,460.28x = 433,542,858.34
5. Step 5: Solve for x
   x = 433,542,858.34/23,460.28
6. Step 6: Final answer
   x = 18,479.87