Finding the Fourth Proportional to 3,547.61, 5,320.79 and 949.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.61 : 5,320.79 = 949.94 : x
2. Step 2: Convert to fraction form
   3,547.61/5,320.79 = 949.94/x
3. Step 3: Cross multiply
   3,547.61x = 5,320.79 × 949.94
4. Step 4: Simplify right side
   3,547.61x = 5,054,431.25
5. Step 5: Solve for x
   x = 5,054,431.25/3,547.61
6. Step 6: Final answer
   x = 1,424.74