Finding the Fourth Proportional to 1,507, 2,079.56 and 834.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507 : 2,079.56 = 834.80 : x
2. Step 2: Convert to fraction form
   1,507/2,079.56 = 834.80/x
3. Step 3: Cross multiply
   1,507x = 2,079.56 × 834.80
4. Step 4: Simplify right side
   1,507x = 1,736,016.69
5. Step 5: Solve for x
   x = 1,736,016.69/1,507
6. Step 6: Final answer
   x = 1,151.97