Finding the Fourth Proportional to 55,665.28, 76,818.54 and 30,514.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,665.28 : 76,818.54 = 30,514.96 : x
2. Step 2: Convert to fraction form
   55,665.28/76,818.54 = 30,514.96/x
3. Step 3: Cross multiply
   55,665.28x = 76,818.54 × 30,514.96
4. Step 4: Simplify right side
   55,665.28x = 2,344,114,675.36
5. Step 5: Solve for x
   x = 2,344,114,675.36/55,665.28
6. Step 6: Final answer
   x = 42,110.89