Finding the Fourth Proportional to 53,941.28, 80,928.72 and 48,359.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,941.28 : 80,928.72 = 48,359.48 : x
2. Step 2: Convert to fraction form
   53,941.28/80,928.72 = 48,359.48/x
3. Step 3: Cross multiply
   53,941.28x = 80,928.72 × 48,359.48
4. Step 4: Simplify right side
   53,941.28x = 3,913,670,816.27
5. Step 5: Solve for x
   x = 3,913,670,816.27/53,941.28
6. Step 6: Final answer
   x = 72,554.28