Finding the Fourth Proportional to 55,705.88, 76,874.52 and 30,555.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,705.88 : 76,874.52 = 30,555.38 : x
2. Step 2: Convert to fraction form
   55,705.88/76,874.52 = 30,555.38/x
3. Step 3: Cross multiply
   55,705.88x = 76,874.52 × 30,555.38
4. Step 4: Simplify right side
   55,705.88x = 2,348,929,786.55
5. Step 5: Solve for x
   x = 2,348,929,786.55/55,705.88
6. Step 6: Final answer
   x = 42,166.64