Finding the Fourth Proportional to 1,030.88, 1,422.41 and 834.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.88 : 1,422.41 = 834.05 : x
2. Step 2: Convert to fraction form
   1,030.88/1,422.41 = 834.05/x
3. Step 3: Cross multiply
   1,030.88x = 1,422.41 × 834.05
4. Step 4: Simplify right side
   1,030.88x = 1,186,356.89
5. Step 5: Solve for x
   x = 1,186,356.89/1,030.88
6. Step 6: Final answer
   x = 1,150.82