Finding the Fourth Proportional to 23,535.95, 32,471.79 and 13,978.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,535.95 : 32,471.79 = 13,978.76 : x
2. Step 2: Convert to fraction form
   23,535.95/32,471.79 = 13,978.76/x
3. Step 3: Cross multiply
   23,535.95x = 32,471.79 × 13,978.76
4. Step 4: Simplify right side
   23,535.95x = 453,915,327.05
5. Step 5: Solve for x
   x = 453,915,327.05/23,535.95
6. Step 6: Final answer
   x = 19,286.04