Finding the Fourth Proportional to 7,099.10, 10,648.18 and 2,938.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,099.10 : 10,648.18 = 2,938.02 : x
2. Step 2: Convert to fraction form
   7,099.10/10,648.18 = 2,938.02/x
3. Step 3: Cross multiply
   7,099.10x = 10,648.18 × 2,938.02
4. Step 4: Simplify right side
   7,099.10x = 31,284,565.80
5. Step 5: Solve for x
   x = 31,284,565.80/7,099.10
6. Step 6: Final answer
   x = 4,406.84