Finding the Fourth Proportional to 73,928.35, 110,947.20 and 48,960.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73,928.35 : 110,947.20 = 48,960.10 : x
2. Step 2: Convert to fraction form
   73,928.35/110,947.20 = 48,960.10/x
3. Step 3: Cross multiply
   73,928.35x = 110,947.20 × 48,960.10
4. Step 4: Simplify right side
   73,928.35x = 5,431,986,006.72
5. Step 5: Solve for x
   x = 5,431,986,006.72/73,928.35
6. Step 6: Final answer
   x = 73,476.36