Finding the Fourth Proportional to 9,116.84, 12,582.14 and 5,339.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116.84 : 12,582.14 = 5,339.78 : x
2. Step 2: Convert to fraction form
   9,116.84/12,582.14 = 5,339.78/x
3. Step 3: Cross multiply
   9,116.84x = 12,582.14 × 5,339.78
4. Step 4: Simplify right side
   9,116.84x = 67,185,832.83
5. Step 5: Solve for x
   x = 67,185,832.83/9,116.84
6. Step 6: Final answer
   x = 7,369.42