Finding the Fourth Proportional to 9,347.52, 12,897.18 and 5,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347.52 : 12,897.18 = 5,367.72 : x
2. Step 2: Convert to fraction form
   9,347.52/12,897.18 = 5,367.72/x
3. Step 3: Cross multiply
   9,347.52x = 12,897.18 × 5,367.72
4. Step 4: Simplify right side
   9,347.52x = 69,228,451.03
5. Step 5: Solve for x
   x = 69,228,451.03/9,347.52
6. Step 6: Final answer
   x = 7,406.08