Finding the Fourth Proportional to 2,106.18, 3,156.50 and 1,131.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.18 : 3,156.50 = 1,131.14 : x
2. Step 2: Convert to fraction form
   2,106.18/3,156.50 = 1,131.14/x
3. Step 3: Cross multiply
   2,106.18x = 3,156.50 × 1,131.14
4. Step 4: Simplify right side
   2,106.18x = 3,570,443.41
5. Step 5: Solve for x
   x = 3,570,443.41/2,106.18
6. Step 6: Final answer
   x = 1,695.22