Finding the Fourth Proportional to 10,355.99, 14,291.87 and 7,799.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355.99 : 14,291.87 = 7,799.17 : x
2. Step 2: Convert to fraction form
   10,355.99/14,291.87 = 7,799.17/x
3. Step 3: Cross multiply
   10,355.99x = 14,291.87 × 7,799.17
4. Step 4: Simplify right side
   10,355.99x = 111,464,723.75
5. Step 5: Solve for x
   x = 111,464,723.75/10,355.99
6. Step 6: Final answer
   x = 10,763.31