Finding the Fourth Proportional to 9,981.05, 13,774.47 and 5,504.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.05 : 13,774.47 = 5,504.79 : x
2. Step 2: Convert to fraction form
   9,981.05/13,774.47 = 5,504.79/x
3. Step 3: Cross multiply
   9,981.05x = 13,774.47 × 5,504.79
4. Step 4: Simplify right side
   9,981.05x = 75,825,564.71
5. Step 5: Solve for x
   x = 75,825,564.71/9,981.05
6. Step 6: Final answer
   x = 7,596.95