Finding the Fourth Proportional to 57,300.69, 79,073.71 and 31,805.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300.69 : 79,073.71 = 31,805.56 : x
2. Step 2: Convert to fraction form
   57,300.69/79,073.71 = 31,805.56/x
3. Step 3: Cross multiply
   57,300.69x = 79,073.71 × 31,805.56
4. Step 4: Simplify right side
   57,300.69x = 2,514,983,627.83
5. Step 5: Solve for x
   x = 2,514,983,627.83/57,300.69
6. Step 6: Final answer
   x = 43,890.98