Finding the Fourth Proportional to 37,893.89, 52,298.45 and 31,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,893.89 : 52,298.45 = 31,509.50 : x
2. Step 2: Convert to fraction form
   37,893.89/52,298.45 = 31,509.50/x
3. Step 3: Cross multiply
   37,893.89x = 52,298.45 × 31,509.50
4. Step 4: Simplify right side
   37,893.89x = 1,647,898,010.28
5. Step 5: Solve for x
   x = 1,647,898,010.28/37,893.89
6. Step 6: Final answer
   x = 43,487.17