Finding the Fourth Proportional to 4,945.90, 7,412.48 and 3,092.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.90 : 7,412.48 = 3,092.42 : x
2. Step 2: Convert to fraction form
   4,945.90/7,412.48 = 3,092.42/x
3. Step 3: Cross multiply
   4,945.90x = 7,412.48 × 3,092.42
4. Step 4: Simplify right side
   4,945.90x = 22,922,501.40
5. Step 5: Solve for x
   x = 22,922,501.40/4,945.90
6. Step 6: Final answer
   x = 4,634.65