Finding the Fourth Proportional to 37,601.91, 51,872.22 and 31,631.40

Step by Step Solution

1. Step 1: Write the proportion equation
   37,601.91 : 51,872.22 = 31,631.40 : x
2. Step 2: Convert to fraction form
   37,601.91/51,872.22 = 31,631.40/x
3. Step 3: Cross multiply
   37,601.91x = 51,872.22 × 31,631.40
4. Step 4: Simplify right side
   37,601.91x = 1,640,790,939.71
5. Step 5: Solve for x
   x = 1,640,790,939.71/37,601.91
6. Step 6: Final answer
   x = 43,635.84