Finding the Fourth Proportional to 54,678.72, 82,052.56 and 31,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,678.72 : 82,052.56 = 31,350.72 : x
2. Step 2: Convert to fraction form
   54,678.72/82,052.56 = 31,350.72/x
3. Step 3: Cross multiply
   54,678.72x = 82,052.56 × 31,350.72
4. Step 4: Simplify right side
   54,678.72x = 2,572,406,833.84
5. Step 5: Solve for x
   x = 2,572,406,833.84/54,678.72
6. Step 6: Final answer
   x = 47,045.85