Finding the Fourth Proportional to 7,061.43, 10,599.80 and 5,311.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.43 : 10,599.80 = 5,311.43 : x
2. Step 2: Convert to fraction form
   7,061.43/10,599.80 = 5,311.43/x
3. Step 3: Cross multiply
   7,061.43x = 10,599.80 × 5,311.43
4. Step 4: Simplify right side
   7,061.43x = 56,300,016.16
5. Step 5: Solve for x
   x = 56,300,016.16/7,061.43
6. Step 6: Final answer
   x = 7,972.89