Finding the Fourth Proportional to 55,248.88, 76,243.82 and 30,098.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,248.88 : 76,243.82 = 30,098.40 : x
2. Step 2: Convert to fraction form
   55,248.88/76,243.82 = 30,098.40/x
3. Step 3: Cross multiply
   55,248.88x = 76,243.82 × 30,098.40
4. Step 4: Simplify right side
   55,248.88x = 2,294,816,991.89
5. Step 5: Solve for x
   x = 2,294,816,991.89/55,248.88
6. Step 6: Final answer
   x = 41,535.99