Finding the Fourth Proportional to 55,330.38, 76,353.30 and 31,454.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,330.38 : 76,353.30 = 31,454.42 : x
2. Step 2: Convert to fraction form
   55,330.38/76,353.30 = 31,454.42/x
3. Step 3: Cross multiply
   55,330.38x = 76,353.30 × 31,454.42
4. Step 4: Simplify right side
   55,330.38x = 2,401,648,384.82
5. Step 5: Solve for x
   x = 2,401,648,384.82/55,330.38
6. Step 6: Final answer
   x = 43,405.60