Finding the Fourth Proportional to 7,523.55, 10,391.04 and 5,129.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,523.55 : 10,391.04 = 5,129.43 : x
2. Step 2: Convert to fraction form
   7,523.55/10,391.04 = 5,129.43/x
3. Step 3: Cross multiply
   7,523.55x = 10,391.04 × 5,129.43
4. Step 4: Simplify right side
   7,523.55x = 53,300,112.31
5. Step 5: Solve for x
   x = 53,300,112.31/7,523.55
6. Step 6: Final answer
   x = 7,084.44