Finding the Fourth Proportional to 2,126.31, 2,934.21 and 1,182.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.31 : 2,934.21 = 1,182.16 : x
2. Step 2: Convert to fraction form
   2,126.31/2,934.21 = 1,182.16/x
3. Step 3: Cross multiply
   2,126.31x = 2,934.21 × 1,182.16
4. Step 4: Simplify right side
   2,126.31x = 3,468,705.69
5. Step 5: Solve for x
   x = 3,468,705.69/2,126.31
6. Step 6: Final answer
   x = 1,631.33