Finding the Fourth Proportional to 37,907.33, 56,789.91 and 31,707.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,907.33 : 56,789.91 = 31,707.18 : x
2. Step 2: Convert to fraction form
   37,907.33/56,789.91 = 31,707.18/x
3. Step 3: Cross multiply
   37,907.33x = 56,789.91 × 31,707.18
4. Step 4: Simplify right side
   37,907.33x = 1,800,647,898.55
5. Step 5: Solve for x
   x = 1,800,647,898.55/37,907.33
6. Step 6: Final answer
   x = 47,501.32