Finding the Fourth Proportional to 57,404.38, 79,230.89 and 31,919.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,404.38 : 79,230.89 = 31,919.69 : x
2. Step 2: Convert to fraction form
   57,404.38/79,230.89 = 31,919.69/x
3. Step 3: Cross multiply
   57,404.38x = 79,230.89 × 31,919.69
4. Step 4: Simplify right side
   57,404.38x = 2,529,025,279.43
5. Step 5: Solve for x
   x = 2,529,025,279.43/57,404.38
6. Step 6: Final answer
   x = 44,056.31