Finding the Fourth Proportional to 4,919.31, 7,350.19 and 4,747.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,919.31 : 7,350.19 = 4,747.10 : x
2. Step 2: Convert to fraction form
   4,919.31/7,350.19 = 4,747.10/x
3. Step 3: Cross multiply
   4,919.31x = 7,350.19 × 4,747.10
4. Step 4: Simplify right side
   4,919.31x = 34,892,038.33
5. Step 5: Solve for x
   x = 34,892,038.33/4,919.31
6. Step 6: Final answer
   x = 7,092.87