Finding the Fourth Proportional to 7,290.22, 10,061.68 and 4,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.22 : 10,061.68 = 4,147.42 : x
2. Step 2: Convert to fraction form
   7,290.22/10,061.68 = 4,147.42/x
3. Step 3: Cross multiply
   7,290.22x = 10,061.68 × 4,147.42
4. Step 4: Simplify right side
   7,290.22x = 41,730,012.87
5. Step 5: Solve for x
   x = 41,730,012.87/7,290.22
6. Step 6: Final answer
   x = 5,724.11