Finding the Fourth Proportional to 55,755, 76,941.90 and 30,603.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,755 : 76,941.90 = 30,603.96 : x
2. Step 2: Convert to fraction form
   55,755/76,941.90 = 30,603.96/x
3. Step 3: Cross multiply
   55,755x = 76,941.90 × 30,603.96
4. Step 4: Simplify right side
   55,755x = 2,354,726,829.92
5. Step 5: Solve for x
   x = 2,354,726,829.92/55,755
6. Step 6: Final answer
   x = 42,233.46