Finding the Fourth Proportional to 5,105.30, 7,653.38 and 2,471.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.30 : 7,653.38 = 2,471.31 : x
2. Step 2: Convert to fraction form
   5,105.30/7,653.38 = 2,471.31/x
3. Step 3: Cross multiply
   5,105.30x = 7,653.38 × 2,471.31
4. Step 4: Simplify right side
   5,105.30x = 18,913,862.17
5. Step 5: Solve for x
   x = 18,913,862.17/5,105.30
6. Step 6: Final answer
   x = 3,704.75