Finding the Fourth Proportional to 8,914.39, 12,304.52 and 5,770.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.39 : 12,304.52 = 5,770.78 : x
2. Step 2: Convert to fraction form
   8,914.39/12,304.52 = 5,770.78/x
3. Step 3: Cross multiply
   8,914.39x = 12,304.52 × 5,770.78
4. Step 4: Simplify right side
   8,914.39x = 71,006,677.93
5. Step 5: Solve for x
   x = 71,006,677.93/8,914.39
6. Step 6: Final answer
   x = 7,965.40