Finding the Fourth Proportional to 9,327.60, 12,868.03 and 5,347.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.60 : 12,868.03 = 5,347.80 : x
2. Step 2: Convert to fraction form
   9,327.60/12,868.03 = 5,347.80/x
3. Step 3: Cross multiply
   9,327.60x = 12,868.03 × 5,347.80
4. Step 4: Simplify right side
   9,327.60x = 68,815,650.83
5. Step 5: Solve for x
   x = 68,815,650.83/9,327.60
6. Step 6: Final answer
   x = 7,377.64