Finding the Fourth Proportional to 7,859.98, 10,845.36 and 5,769.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,859.98 : 10,845.36 = 5,769.10 : x
2. Step 2: Convert to fraction form
   7,859.98/10,845.36 = 5,769.10/x
3. Step 3: Cross multiply
   7,859.98x = 10,845.36 × 5,769.10
4. Step 4: Simplify right side
   7,859.98x = 62,567,966.38
5. Step 5: Solve for x
   x = 62,567,966.38/7,859.98
6. Step 6: Final answer
   x = 7,960.32