Finding the Fourth Proportional to 72,960.96, 100,752.48 and 55,025.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,960.96 : 100,752.48 = 55,025.28 : x
2. Step 2: Convert to fraction form
   72,960.96/100,752.48 = 55,025.28/x
3. Step 3: Cross multiply
   72,960.96x = 100,752.48 × 55,025.28
4. Step 4: Simplify right side
   72,960.96x = 5,543,933,422.69
5. Step 5: Solve for x
   x = 5,543,933,422.69/72,960.96
6. Step 6: Final answer
   x = 75,984.93