Finding the Fourth Proportional to 23,540.55, 32,485.82 and 12,785.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.55 : 32,485.82 = 12,785.33 : x
2. Step 2: Convert to fraction form
   23,540.55/32,485.82 = 12,785.33/x
3. Step 3: Cross multiply
   23,540.55x = 32,485.82 × 12,785.33
4. Step 4: Simplify right side
   23,540.55x = 415,341,702.66
5. Step 5: Solve for x
   x = 415,341,702.66/23,540.55
6. Step 6: Final answer
   x = 17,643.67