Finding the Fourth Proportional to 1,934.50, 2,667.81 and 1,491.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.50 : 2,667.81 = 1,491.70 : x
2. Step 2: Convert to fraction form
   1,934.50/2,667.81 = 1,491.70/x
3. Step 3: Cross multiply
   1,934.50x = 2,667.81 × 1,491.70
4. Step 4: Simplify right side
   1,934.50x = 3,979,572.18
5. Step 5: Solve for x
   x = 3,979,572.18/1,934.50
6. Step 6: Final answer
   x = 2,057.16