Finding the Fourth Proportional to 3,300.15, 4,950.69 and 1,109.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.15 : 4,950.69 = 1,109.51 : x
2. Step 2: Convert to fraction form
   3,300.15/4,950.69 = 1,109.51/x
3. Step 3: Cross multiply
   3,300.15x = 4,950.69 × 1,109.51
4. Step 4: Simplify right side
   3,300.15x = 5,492,815.31
5. Step 5: Solve for x
   x = 5,492,815.31/3,300.15
6. Step 6: Final answer
   x = 1,664.41