Finding the Fourth Proportional to 7,002.88, 10,498.34 and 3,105.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.88 : 10,498.34 = 3,105.16 : x
2. Step 2: Convert to fraction form
   7,002.88/10,498.34 = 3,105.16/x
3. Step 3: Cross multiply
   7,002.88x = 10,498.34 × 3,105.16
4. Step 4: Simplify right side
   7,002.88x = 32,599,025.43
5. Step 5: Solve for x
   x = 32,599,025.43/7,002.88
6. Step 6: Final answer
   x = 4,655.09