Finding the Fourth Proportional to 10,983.68, 16,479.18 and 7,300.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.68 : 16,479.18 = 7,300.40 : x
2. Step 2: Convert to fraction form
   10,983.68/16,479.18 = 7,300.40/x
3. Step 3: Cross multiply
   10,983.68x = 16,479.18 × 7,300.40
4. Step 4: Simplify right side
   10,983.68x = 120,304,605.67
5. Step 5: Solve for x
   x = 120,304,605.67/10,983.68
6. Step 6: Final answer
   x = 10,953.03