Finding the Fourth Proportional to 55,607.18, 76,738.23 and 30,456.68

Step by Step Solution

1. Step 1: Write the proportion equation
   55,607.18 : 76,738.23 = 30,456.68 : x
2. Step 2: Convert to fraction form
   55,607.18/76,738.23 = 30,456.68/x
3. Step 3: Cross multiply
   55,607.18x = 76,738.23 × 30,456.68
4. Step 4: Simplify right side
   55,607.18x = 2,337,191,714.88
5. Step 5: Solve for x
   x = 2,337,191,714.88/55,607.18
6. Step 6: Final answer
   x = 42,030.39