Finding the Fourth Proportional to 9,407.74, 12,983.59 and 5,217.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.74 : 12,983.59 = 5,217.02 : x
2. Step 2: Convert to fraction form
   9,407.74/12,983.59 = 5,217.02/x
3. Step 3: Cross multiply
   9,407.74x = 12,983.59 × 5,217.02
4. Step 4: Simplify right side
   9,407.74x = 67,735,648.70
5. Step 5: Solve for x
   x = 67,735,648.70/9,407.74
6. Step 6: Final answer
   x = 7,199.99