Finding the Fourth Proportional to 9,348.39, 12,901.05 and 5,099.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,348.39 : 12,901.05 = 5,099.79 : x
2. Step 2: Convert to fraction form
   9,348.39/12,901.05 = 5,099.79/x
3. Step 3: Cross multiply
   9,348.39x = 12,901.05 × 5,099.79
4. Step 4: Simplify right side
   9,348.39x = 65,792,645.78
5. Step 5: Solve for x
   x = 65,792,645.78/9,348.39
6. Step 6: Final answer
   x = 7,037.86