Finding the Fourth Proportional to 55,098.50, 76,067.16 and 42,153.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,098.50 : 76,067.16 = 42,153.42 : x
2. Step 2: Convert to fraction form
   55,098.50/76,067.16 = 42,153.42/x
3. Step 3: Cross multiply
   55,098.50x = 76,067.16 × 42,153.42
4. Step 4: Simplify right side
   55,098.50x = 3,206,491,070.86
5. Step 5: Solve for x
   x = 3,206,491,070.86/55,098.50
6. Step 6: Final answer
   x = 58,195.62