Finding the Fourth Proportional to 9,297.36, 12,830.58 and 5,105.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,297.36 : 12,830.58 = 5,105.70 : x
2. Step 2: Convert to fraction form
   9,297.36/12,830.58 = 5,105.70/x
3. Step 3: Cross multiply
   9,297.36x = 12,830.58 × 5,105.70
4. Step 4: Simplify right side
   9,297.36x = 65,509,092.31
5. Step 5: Solve for x
   x = 65,509,092.31/9,297.36
6. Step 6: Final answer
   x = 7,045.99