Finding the Fourth Proportional to 7,215.46, 10,810.42 and 5,132.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,215.46 : 10,810.42 = 5,132.34 : x
2. Step 2: Convert to fraction form
   7,215.46/10,810.42 = 5,132.34/x
3. Step 3: Cross multiply
   7,215.46x = 10,810.42 × 5,132.34
4. Step 4: Simplify right side
   7,215.46x = 55,482,750.98
5. Step 5: Solve for x
   x = 55,482,750.98/7,215.46
6. Step 6: Final answer
   x = 7,689.43