Finding the Fourth Proportional to 37,591.91, 51,758.48 and 31,915.43

Step by Step Solution

1. Step 1: Write the proportion equation
   37,591.91 : 51,758.48 = 31,915.43 : x
2. Step 2: Convert to fraction form
   37,591.91/51,758.48 = 31,915.43/x
3. Step 3: Cross multiply
   37,591.91x = 51,758.48 × 31,915.43
4. Step 4: Simplify right side
   37,591.91x = 1,651,893,966.34
5. Step 5: Solve for x
   x = 1,651,893,966.34/37,591.91
6. Step 6: Final answer
   x = 43,942.81