Finding the Fourth Proportional to 1,497.89, 2,066.84 and 834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,497.89 : 2,066.84 = 834.72 : x
2. Step 2: Convert to fraction form
   1,497.89/2,066.84 = 834.72/x
3. Step 3: Cross multiply
   1,497.89x = 2,066.84 × 834.72
4. Step 4: Simplify right side
   1,497.89x = 1,725,228.51
5. Step 5: Solve for x
   x = 1,725,228.51/1,497.89
6. Step 6: Final answer
   x = 1,151.78