Finding the Fourth Proportional to 55,825.50, 77,040.54 and 30,675

Step by Step Solution

1. Step 1: Write the proportion equation
   55,825.50 : 77,040.54 = 30,675 : x
2. Step 2: Convert to fraction form
   55,825.50/77,040.54 = 30,675/x
3. Step 3: Cross multiply
   55,825.50x = 77,040.54 × 30,675
4. Step 4: Simplify right side
   55,825.50x = 2,363,218,564.50
5. Step 5: Solve for x
   x = 2,363,218,564.50/55,825.50
6. Step 6: Final answer
   x = 42,332.24