Finding the Fourth Proportional to 1,667.39, 2,502.02 and 845.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.39 : 2,502.02 = 845.71 : x
2. Step 2: Convert to fraction form
   1,667.39/2,502.02 = 845.71/x
3. Step 3: Cross multiply
   1,667.39x = 2,502.02 × 845.71
4. Step 4: Simplify right side
   1,667.39x = 2,115,979.19
5. Step 5: Solve for x
   x = 2,115,979.19/1,667.39
6. Step 6: Final answer
   x = 1,269.04