Finding the Fourth Proportional to 9,981.35, 13,774.23 and 5,732.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.35 : 13,774.23 = 5,732.68 : x
2. Step 2: Convert to fraction form
   9,981.35/13,774.23 = 5,732.68/x
3. Step 3: Cross multiply
   9,981.35x = 13,774.23 × 5,732.68
4. Step 4: Simplify right side
   9,981.35x = 78,963,338.53
5. Step 5: Solve for x
   x = 78,963,338.53/9,981.35
6. Step 6: Final answer
   x = 7,911.09