Finding the Fourth Proportional to 9,642.52, 13,306.98 and 5,451.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642.52 : 13,306.98 = 5,451.04 : x
2. Step 2: Convert to fraction form
   9,642.52/13,306.98 = 5,451.04/x
3. Step 3: Cross multiply
   9,642.52x = 13,306.98 × 5,451.04
4. Step 4: Simplify right side
   9,642.52x = 72,536,880.26
5. Step 5: Solve for x
   x = 72,536,880.26/9,642.52
6. Step 6: Final answer
   x = 7,522.61