Finding the Fourth Proportional to 55,755.20, 76,938.72 and 30,604.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,755.20 : 76,938.72 = 30,604.52 : x
2. Step 2: Convert to fraction form
   55,755.20/76,938.72 = 30,604.52/x
3. Step 3: Cross multiply
   55,755.20x = 76,938.72 × 30,604.52
4. Step 4: Simplify right side
   55,755.20x = 2,354,672,595.01
5. Step 5: Solve for x
   x = 2,354,672,595.01/55,755.20
6. Step 6: Final answer
   x = 42,232.34