Finding the Fourth Proportional to 55,152.28, 76,113.94 and 31,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,152.28 : 76,113.94 = 31,280.52 : x
2. Step 2: Convert to fraction form
   55,152.28/76,113.94 = 31,280.52/x
3. Step 3: Cross multiply
   55,152.28x = 76,113.94 × 31,280.52
4. Step 4: Simplify right side
   55,152.28x = 2,380,883,622.45
5. Step 5: Solve for x
   x = 2,380,883,622.45/55,152.28
6. Step 6: Final answer
   x = 43,169.27