Finding the Fourth Proportional to 9,110.84, 12,567.18 and 5,747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,110.84 : 12,567.18 = 5,747.78 : x
2. Step 2: Convert to fraction form
   9,110.84/12,567.18 = 5,747.78/x
3. Step 3: Cross multiply
   9,110.84x = 12,567.18 × 5,747.78
4. Step 4: Simplify right side
   9,110.84x = 72,233,385.86
5. Step 5: Solve for x
   x = 72,233,385.86/9,110.84
6. Step 6: Final answer
   x = 7,928.29