Finding the Fourth Proportional to 2,111.48, 3,167.21 and 941.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.48 : 3,167.21 = 941.18 : x
2. Step 2: Convert to fraction form
   2,111.48/3,167.21 = 941.18/x
3. Step 3: Cross multiply
   2,111.48x = 3,167.21 × 941.18
4. Step 4: Simplify right side
   2,111.48x = 2,980,914.71
5. Step 5: Solve for x
   x = 2,980,914.71/2,111.48
6. Step 6: Final answer
   x = 1,411.77