Finding the Fourth Proportional to 7,859.14, 10,842.89 and 5,028.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,859.14 : 10,842.89 = 5,028.17 : x
2. Step 2: Convert to fraction form
   7,859.14/10,842.89 = 5,028.17/x
3. Step 3: Cross multiply
   7,859.14x = 10,842.89 × 5,028.17
4. Step 4: Simplify right side
   7,859.14x = 54,519,814.86
5. Step 5: Solve for x
   x = 54,519,814.86/7,859.14
6. Step 6: Final answer
   x = 6,937.12