Finding the Fourth Proportional to 9,307.03, 12,843.83 and 5,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307.03 : 12,843.83 = 5,115.25 : x
2. Step 2: Convert to fraction form
   9,307.03/12,843.83 = 5,115.25/x
3. Step 3: Cross multiply
   9,307.03x = 12,843.83 × 5,115.25
4. Step 4: Simplify right side
   9,307.03x = 65,699,401.41
5. Step 5: Solve for x
   x = 65,699,401.41/9,307.03
6. Step 6: Final answer
   x = 7,059.12