Finding the Fourth Proportional to 9,348.15, 12,900.42 and 5,099.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,348.15 : 12,900.42 = 5,099.19 : x
2. Step 2: Convert to fraction form
   9,348.15/12,900.42 = 5,099.19/x
3. Step 3: Cross multiply
   9,348.15x = 12,900.42 × 5,099.19
4. Step 4: Simplify right side
   9,348.15x = 65,781,692.66
5. Step 5: Solve for x
   x = 65,781,692.66/9,348.15
6. Step 6: Final answer
   x = 7,036.87