Finding the Fourth Proportional to 9,981.84, 13,774.72 and 5,505.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.84 : 13,774.72 = 5,505.71 : x
2. Step 2: Convert to fraction form
   9,981.84/13,774.72 = 5,505.71/x
3. Step 3: Cross multiply
   9,981.84x = 13,774.72 × 5,505.71
4. Step 4: Simplify right side
   9,981.84x = 75,839,613.65
5. Step 5: Solve for x
   x = 75,839,613.65/9,981.84
6. Step 6: Final answer
   x = 7,597.76