Finding the Fourth Proportional to 1,334.16, 1,841.04 and 810.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.16 : 1,841.04 = 810.12 : x
2. Step 2: Convert to fraction form
   1,334.16/1,841.04 = 810.12/x
3. Step 3: Cross multiply
   1,334.16x = 1,841.04 × 810.12
4. Step 4: Simplify right side
   1,334.16x = 1,491,463.32
5. Step 5: Solve for x
   x = 1,491,463.32/1,334.16
6. Step 6: Final answer
   x = 1,117.90