Finding the Fourth Proportional to 37,900.31, 52,307.27 and 31,515.92

Step by Step Solution

1. Step 1: Write the proportion equation
   37,900.31 : 52,307.27 = 31,515.92 : x
2. Step 2: Convert to fraction form
   37,900.31/52,307.27 = 31,515.92/x
3. Step 3: Cross multiply
   37,900.31x = 52,307.27 × 31,515.92
4. Step 4: Simplify right side
   37,900.31x = 1,648,511,317.62
5. Step 5: Solve for x
   x = 1,648,511,317.62/37,900.31
6. Step 6: Final answer
   x = 43,495.99