Finding the Fourth Proportional to 1,117.82, 1,674.57 and 541.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.82 : 1,674.57 = 541.10 : x
2. Step 2: Convert to fraction form
   1,117.82/1,674.57 = 541.10/x
3. Step 3: Cross multiply
   1,117.82x = 1,674.57 × 541.10
4. Step 4: Simplify right side
   1,117.82x = 906,109.83
5. Step 5: Solve for x
   x = 906,109.83/1,117.82
6. Step 6: Final answer
   x = 810.60