Finding the Fourth Proportional to 6,110.37, 8,431.25 and 3,985.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,110.37 : 8,431.25 = 3,985.34 : x
2. Step 2: Convert to fraction form
   6,110.37/8,431.25 = 3,985.34/x
3. Step 3: Cross multiply
   6,110.37x = 8,431.25 × 3,985.34
4. Step 4: Simplify right side
   6,110.37x = 33,601,335.79
5. Step 5: Solve for x
   x = 33,601,335.79/6,110.37
6. Step 6: Final answer
   x = 5,499.07