Finding the Fourth Proportional to 9,279.95, 12,805.78 and 5,503.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.95 : 12,805.78 = 5,503.48 : x
2. Step 2: Convert to fraction form
   9,279.95/12,805.78 = 5,503.48/x
3. Step 3: Cross multiply
   9,279.95x = 12,805.78 × 5,503.48
4. Step 4: Simplify right side
   9,279.95x = 70,476,262.57
5. Step 5: Solve for x
   x = 70,476,262.57/9,279.95
6. Step 6: Final answer
   x = 7,594.47