Finding the Fourth Proportional to 9,083.40, 12,535.55 and 5,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,083.40 : 12,535.55 = 5,105.76 : x
2. Step 2: Convert to fraction form
   9,083.40/12,535.55 = 5,105.76/x
3. Step 3: Cross multiply
   9,083.40x = 12,535.55 × 5,105.76
4. Step 4: Simplify right side
   9,083.40x = 64,003,484.24
5. Step 5: Solve for x
   x = 64,003,484.24/9,083.40
6. Step 6: Final answer
   x = 7,046.20