Finding the Fourth Proportional to 9,984.30, 13,778.18 and 5,508.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.30 : 13,778.18 = 5,508.03 : x
2. Step 2: Convert to fraction form
   9,984.30/13,778.18 = 5,508.03/x
3. Step 3: Cross multiply
   9,984.30x = 13,778.18 × 5,508.03
4. Step 4: Simplify right side
   9,984.30x = 75,890,628.79
5. Step 5: Solve for x
   x = 75,890,628.79/9,984.30
6. Step 6: Final answer
   x = 7,601.00