Finding the Fourth Proportional to 7,108.16, 10,655.69 and 3,157.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,108.16 : 10,655.69 = 3,157.31 : x
2. Step 2: Convert to fraction form
   7,108.16/10,655.69 = 3,157.31/x
3. Step 3: Cross multiply
   7,108.16x = 10,655.69 × 3,157.31
4. Step 4: Simplify right side
   7,108.16x = 33,643,327.45
5. Step 5: Solve for x
   x = 33,643,327.45/7,108.16
6. Step 6: Final answer
   x = 4,733.06