Finding the Fourth Proportional to 7,290.30, 10,061.50 and 4,104.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.30 : 10,061.50 = 4,104.79 : x
2. Step 2: Convert to fraction form
   7,290.30/10,061.50 = 4,104.79/x
3. Step 3: Cross multiply
   7,290.30x = 10,061.50 × 4,104.79
4. Step 4: Simplify right side
   7,290.30x = 41,300,344.59
5. Step 5: Solve for x
   x = 41,300,344.59/7,290.30
6. Step 6: Final answer
   x = 5,665.11