Finding the Fourth Proportional to 45,104.79, 67,665.69 and 13,932.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,104.79 : 67,665.69 = 13,932.75 : x
2. Step 2: Convert to fraction form
   45,104.79/67,665.69 = 13,932.75/x
3. Step 3: Cross multiply
   45,104.79x = 67,665.69 × 13,932.75
4. Step 4: Simplify right side
   45,104.79x = 942,769,142.35
5. Step 5: Solve for x
   x = 942,769,142.35/45,104.79
6. Step 6: Final answer
   x = 20,901.75