Finding the Fourth Proportional to 3,111.09, 4,667.18 and 1,030.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.09 : 4,667.18 = 1,030.88 : x
2. Step 2: Convert to fraction form
   3,111.09/4,667.18 = 1,030.88/x
3. Step 3: Cross multiply
   3,111.09x = 4,667.18 × 1,030.88
4. Step 4: Simplify right side
   3,111.09x = 4,811,274.03
5. Step 5: Solve for x
   x = 4,811,274.03/3,111.09
6. Step 6: Final answer
   x = 1,546.49