Finding the Fourth Proportional to 23,481.32, 32,403.71 and 12,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,481.32 : 32,403.71 = 12,870.72 : x
2. Step 2: Convert to fraction form
   23,481.32/32,403.71 = 12,870.72/x
3. Step 3: Cross multiply
   23,481.32x = 32,403.71 × 12,870.72
4. Step 4: Simplify right side
   23,481.32x = 417,059,014.02
5. Step 5: Solve for x
   x = 417,059,014.02/23,481.32
6. Step 6: Final answer
   x = 17,761.31