Finding the Fourth Proportional to 9,348.91, 12,900.77 and 5,369.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,348.91 : 12,900.77 = 5,369.25 : x
2. Step 2: Convert to fraction form
   9,348.91/12,900.77 = 5,369.25/x
3. Step 3: Cross multiply
   9,348.91x = 12,900.77 × 5,369.25
4. Step 4: Simplify right side
   9,348.91x = 69,267,432.48
5. Step 5: Solve for x
   x = 69,267,432.48/9,348.91
6. Step 6: Final answer
   x = 7,409.15