Finding the Fourth Proportional to 5,105.52, 7,660.32 and 1,818.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.52 : 7,660.32 = 1,818.84 : x
2. Step 2: Convert to fraction form
   5,105.52/7,660.32 = 1,818.84/x
3. Step 3: Cross multiply
   5,105.52x = 7,660.32 × 1,818.84
4. Step 4: Simplify right side
   5,105.52x = 13,932,896.43
5. Step 5: Solve for x
   x = 13,932,896.43/5,105.52
6. Step 6: Final answer
   x = 2,728.99