Finding the Fourth Proportional to 2,042.08, 3,061.32 and 810.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.08 : 3,061.32 = 810.35 : x
2. Step 2: Convert to fraction form
   2,042.08/3,061.32 = 810.35/x
3. Step 3: Cross multiply
   2,042.08x = 3,061.32 × 810.35
4. Step 4: Simplify right side
   2,042.08x = 2,480,736.61
5. Step 5: Solve for x
   x = 2,480,736.61/2,042.08
6. Step 6: Final answer
   x = 1,214.81