Finding the Fourth Proportional to 23,291.78, 32,141.95 and 12,943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,291.78 : 32,141.95 = 12,943.49 : x
2. Step 2: Convert to fraction form
   23,291.78/32,141.95 = 12,943.49/x
3. Step 3: Cross multiply
   23,291.78x = 32,141.95 × 12,943.49
4. Step 4: Simplify right side
   23,291.78x = 416,028,927.25
5. Step 5: Solve for x
   x = 416,028,927.25/23,291.78
6. Step 6: Final answer
   x = 17,861.62