Finding the Fourth Proportional to 3,885.14, 5,826.73 and 1,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,885.14 : 5,826.73 = 1,111.83 : x
2. Step 2: Convert to fraction form
   3,885.14/5,826.73 = 1,111.83/x
3. Step 3: Cross multiply
   3,885.14x = 5,826.73 × 1,111.83
4. Step 4: Simplify right side
   3,885.14x = 6,478,333.22
5. Step 5: Solve for x
   x = 6,478,333.22/3,885.14
6. Step 6: Final answer
   x = 1,667.46