Finding the Fourth Proportional to 9,845.57, 14,769.83 and 3,519.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.57 : 14,769.83 = 3,519.97 : x
2. Step 2: Convert to fraction form
   9,845.57/14,769.83 = 3,519.97/x
3. Step 3: Cross multiply
   9,845.57x = 14,769.83 × 3,519.97
4. Step 4: Simplify right side
   9,845.57x = 51,989,267.06
5. Step 5: Solve for x
   x = 51,989,267.06/9,845.57
6. Step 6: Final answer
   x = 5,280.47