Finding the Fourth Proportional to 49,488.72, 68,288.31 and 31,594.20

Step by Step Solution

1. Step 1: Write the proportion equation
   49,488.72 : 68,288.31 = 31,594.20 : x
2. Step 2: Convert to fraction form
   49,488.72/68,288.31 = 31,594.20/x
3. Step 3: Cross multiply
   49,488.72x = 68,288.31 × 31,594.20
4. Step 4: Simplify right side
   49,488.72x = 2,157,514,523.80
5. Step 5: Solve for x
   x = 2,157,514,523.80/49,488.72
6. Step 6: Final answer
   x = 43,596.09