Finding the Fourth Proportional to 57,078.29, 78,733.59 and 37,697.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,078.29 : 78,733.59 = 37,697.31 : x
2. Step 2: Convert to fraction form
   57,078.29/78,733.59 = 37,697.31/x
3. Step 3: Cross multiply
   57,078.29x = 78,733.59 × 37,697.31
4. Step 4: Simplify right side
   57,078.29x = 2,968,044,549.64
5. Step 5: Solve for x
   x = 2,968,044,549.64/57,078.29
6. Step 6: Final answer
   x = 51,999.54