Finding the Fourth Proportional to 7,132.52, 10,700.64 and 2,971.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,132.52 : 10,700.64 = 2,971.15 : x
2. Step 2: Convert to fraction form
   7,132.52/10,700.64 = 2,971.15/x
3. Step 3: Cross multiply
   7,132.52x = 10,700.64 × 2,971.15
4. Step 4: Simplify right side
   7,132.52x = 31,793,179.78
5. Step 5: Solve for x
   x = 31,793,179.78/7,132.52
6. Step 6: Final answer
   x = 4,457.49