Finding the Fourth Proportional to 23,894.88, 32,978.88 and 19,909.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,894.88 : 32,978.88 = 19,909.68 : x
2. Step 2: Convert to fraction form
   23,894.88/32,978.88 = 19,909.68/x
3. Step 3: Cross multiply
   23,894.88x = 32,978.88 × 19,909.68
4. Step 4: Simplify right side
   23,894.88x = 656,598,947.56
5. Step 5: Solve for x
   x = 656,598,947.56/23,894.88
6. Step 6: Final answer
   x = 27,478.65