Finding the Fourth Proportional to 23,436.89, 32,337.90 and 13,879.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.89 : 32,337.90 = 13,879.78 : x
2. Step 2: Convert to fraction form
   23,436.89/32,337.90 = 13,879.78/x
3. Step 3: Cross multiply
   23,436.89x = 32,337.90 × 13,879.78
4. Step 4: Simplify right side
   23,436.89x = 448,842,856.82
5. Step 5: Solve for x
   x = 448,842,856.82/23,436.89
6. Step 6: Final answer
   x = 19,151.13