Finding the Fourth Proportional to 9,981.56, 13,774.66 and 5,732.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.56 : 13,774.66 = 5,732.58 : x
2. Step 2: Convert to fraction form
   9,981.56/13,774.66 = 5,732.58/x
3. Step 3: Cross multiply
   9,981.56x = 13,774.66 × 5,732.58
4. Step 4: Simplify right side
   9,981.56x = 78,964,340.42
5. Step 5: Solve for x
   x = 78,964,340.42/9,981.56
6. Step 6: Final answer
   x = 7,911.02