Finding the Fourth Proportional to 23,481.18, 32,403.72 and 12,870.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,481.18 : 32,403.72 = 12,870.81 : x
2. Step 2: Convert to fraction form
   23,481.18/32,403.72 = 12,870.81/x
3. Step 3: Cross multiply
   23,481.18x = 32,403.72 × 12,870.81
4. Step 4: Simplify right side
   23,481.18x = 417,062,123.41
5. Step 5: Solve for x
   x = 417,062,123.41/23,481.18
6. Step 6: Final answer
   x = 17,761.55