Finding the Fourth Proportional to 23,291.76, 32,141.79 and 12,681.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,291.76 : 32,141.79 = 12,681.15 : x
2. Step 2: Convert to fraction form
   23,291.76/32,141.79 = 12,681.15/x
3. Step 3: Cross multiply
   23,291.76x = 32,141.79 × 12,681.15
4. Step 4: Simplify right side
   23,291.76x = 407,594,860.26
5. Step 5: Solve for x
   x = 407,594,860.26/23,291.76
6. Step 6: Final answer
   x = 17,499.53