Finding the Fourth Proportional to 23,388.76, 32,265.66 and 13,447

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.76 : 32,265.66 = 13,447 : x
2. Step 2: Convert to fraction form
   23,388.76/32,265.66 = 13,447/x
3. Step 3: Cross multiply
   23,388.76x = 32,265.66 × 13,447
4. Step 4: Simplify right side
   23,388.76x = 433,876,330.02
5. Step 5: Solve for x
   x = 433,876,330.02/23,388.76
6. Step 6: Final answer
   x = 18,550.63