Finding the Fourth Proportional to 3,988.52, 5,505.37 and 2,310.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988.52 : 5,505.37 = 2,310.34 : x
2. Step 2: Convert to fraction form
   3,988.52/5,505.37 = 2,310.34/x
3. Step 3: Cross multiply
   3,988.52x = 5,505.37 × 2,310.34
4. Step 4: Simplify right side
   3,988.52x = 12,719,267.31
5. Step 5: Solve for x
   x = 12,719,267.31/3,988.52
6. Step 6: Final answer
   x = 3,188.97