Finding the Fourth Proportional to 55,292.88, 82,794.72 and 30,280.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,292.88 : 82,794.72 = 30,280.88 : x
2. Step 2: Convert to fraction form
   55,292.88/82,794.72 = 30,280.88/x
3. Step 3: Cross multiply
   55,292.88x = 82,794.72 × 30,280.88
4. Step 4: Simplify right side
   55,292.88x = 2,507,096,980.95
5. Step 5: Solve for x
   x = 2,507,096,980.95/55,292.88
6. Step 6: Final answer
   x = 45,342.13