Finding the Fourth Proportional to 9,890.84, 14,825.46 and 5,994.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.84 : 14,825.46 = 5,994.20 : x
2. Step 2: Convert to fraction form
   9,890.84/14,825.46 = 5,994.20/x
3. Step 3: Cross multiply
   9,890.84x = 14,825.46 × 5,994.20
4. Step 4: Simplify right side
   9,890.84x = 88,866,772.33
5. Step 5: Solve for x
   x = 88,866,772.33/9,890.84
6. Step 6: Final answer
   x = 8,984.75