Finding the Fourth Proportional to 9,981.06, 13,774.15 and 5,504.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.06 : 13,774.15 = 5,504.59 : x
2. Step 2: Convert to fraction form
   9,981.06/13,774.15 = 5,504.59/x
3. Step 3: Cross multiply
   9,981.06x = 13,774.15 × 5,504.59
4. Step 4: Simplify right side
   9,981.06x = 75,821,072.45
5. Step 5: Solve for x
   x = 75,821,072.45/9,981.06
6. Step 6: Final answer
   x = 7,596.50