Finding the Fourth Proportional to 1,426.19, 1,967.59 and 836.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.19 : 1,967.59 = 836.51 : x
2. Step 2: Convert to fraction form
   1,426.19/1,967.59 = 836.51/x
3. Step 3: Cross multiply
   1,426.19x = 1,967.59 × 836.51
4. Step 4: Simplify right side
   1,426.19x = 1,645,908.71
5. Step 5: Solve for x
   x = 1,645,908.71/1,426.19
6. Step 6: Final answer
   x = 1,154.06