Finding the Fourth Proportional to 23,488.32, 32,413.86 and 12,877.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.32 : 32,413.86 = 12,877.72 : x
2. Step 2: Convert to fraction form
   23,488.32/32,413.86 = 12,877.72/x
3. Step 3: Cross multiply
   23,488.32x = 32,413.86 × 12,877.72
4. Step 4: Simplify right side
   23,488.32x = 417,416,613.20
5. Step 5: Solve for x
   x = 417,416,613.20/23,488.32
6. Step 6: Final answer
   x = 17,771.24