Finding the Fourth Proportional to 23,643.32, 32,627.86 and 13,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,643.32 : 32,627.86 = 13,032.72 : x
2. Step 2: Convert to fraction form
   23,643.32/32,627.86 = 13,032.72/x
3. Step 3: Cross multiply
   23,643.32x = 32,627.86 × 13,032.72
4. Step 4: Simplify right side
   23,643.32x = 425,229,763.58
5. Step 5: Solve for x
   x = 425,229,763.58/23,643.32
6. Step 6: Final answer
   x = 17,985.20