Finding the Fourth Proportional to 7,288.61, 10,061.69 and 4,770.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.61 : 10,061.69 = 4,770.79 : x
2. Step 2: Convert to fraction form
   7,288.61/10,061.69 = 4,770.79/x
3. Step 3: Cross multiply
   7,288.61x = 10,061.69 × 4,770.79
4. Step 4: Simplify right side
   7,288.61x = 48,002,161.03
5. Step 5: Solve for x
   x = 48,002,161.03/7,288.61
6. Step 6: Final answer
   x = 6,585.92