Finding the Fourth Proportional to 7,824.67, 10,798.17 and 4,288.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,824.67 : 10,798.17 = 4,288.07 : x
2. Step 2: Convert to fraction form
   7,824.67/10,798.17 = 4,288.07/x
3. Step 3: Cross multiply
   7,824.67x = 10,798.17 × 4,288.07
4. Step 4: Simplify right side
   7,824.67x = 46,303,308.83
5. Step 5: Solve for x
   x = 46,303,308.83/7,824.67
6. Step 6: Final answer
   x = 5,917.61