Finding the Fourth Proportional to 7,039.56, 9,713.61 and 5,981.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,039.56 : 9,713.61 = 5,981.61 : x
2. Step 2: Convert to fraction form
   7,039.56/9,713.61 = 5,981.61/x
3. Step 3: Cross multiply
   7,039.56x = 9,713.61 × 5,981.61
4. Step 4: Simplify right side
   7,039.56x = 58,103,026.71
5. Step 5: Solve for x
   x = 58,103,026.71/7,039.56
6. Step 6: Final answer
   x = 8,253.79