Finding the Fourth Proportional to 3,303.15, 4,955.22 and 1,111.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,303.15 : 4,955.22 = 1,111.29 : x
2. Step 2: Convert to fraction form
   3,303.15/4,955.22 = 1,111.29/x
3. Step 3: Cross multiply
   3,303.15x = 4,955.22 × 1,111.29
4. Step 4: Simplify right side
   3,303.15x = 5,506,686.43
5. Step 5: Solve for x
   x = 5,506,686.43/3,303.15
6. Step 6: Final answer
   x = 1,667.10