Finding the Fourth Proportional to 55,648.88, 76,797.42 and 30,498.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,648.88 : 76,797.42 = 30,498.38 : x
2. Step 2: Convert to fraction form
   55,648.88/76,797.42 = 30,498.38/x
3. Step 3: Cross multiply
   55,648.88x = 76,797.42 × 30,498.38
4. Step 4: Simplify right side
   55,648.88x = 2,342,196,898.18
5. Step 5: Solve for x
   x = 2,342,196,898.18/55,648.88
6. Step 6: Final answer
   x = 42,088.84