Finding the Fourth Proportional to 9,368.57, 14,061.36 and 4,989.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368.57 : 14,061.36 = 4,989.71 : x
2. Step 2: Convert to fraction form
   9,368.57/14,061.36 = 4,989.71/x
3. Step 3: Cross multiply
   9,368.57x = 14,061.36 × 4,989.71
4. Step 4: Simplify right side
   9,368.57x = 70,162,108.61
5. Step 5: Solve for x
   x = 70,162,108.61/9,368.57
6. Step 6: Final answer
   x = 7,489.09