Finding the Fourth Proportional to 3,303.18, 4,954.71 and 1,111.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,303.18 : 4,954.71 = 1,111.86 : x
2. Step 2: Convert to fraction form
   3,303.18/4,954.71 = 1,111.86/x
3. Step 3: Cross multiply
   3,303.18x = 4,954.71 × 1,111.86
4. Step 4: Simplify right side
   3,303.18x = 5,508,943.86
5. Step 5: Solve for x
   x = 5,508,943.86/3,303.18
6. Step 6: Final answer
   x = 1,667.77