Finding the Fourth Proportional to 5,498.38, 7,586.94 and 3,140.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.38 : 7,586.94 = 3,140.02 : x
2. Step 2: Convert to fraction form
   5,498.38/7,586.94 = 3,140.02/x
3. Step 3: Cross multiply
   5,498.38x = 7,586.94 × 3,140.02
4. Step 4: Simplify right side
   5,498.38x = 23,823,143.34
5. Step 5: Solve for x
   x = 23,823,143.34/5,498.38
6. Step 6: Final answer
   x = 4,332.76