Finding the Fourth Proportional to 2,566.51, 3,851.24 and 1,085.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.51 : 3,851.24 = 1,085.63 : x
2. Step 2: Convert to fraction form
   2,566.51/3,851.24 = 1,085.63/x
3. Step 3: Cross multiply
   2,566.51x = 3,851.24 × 1,085.63
4. Step 4: Simplify right side
   2,566.51x = 4,180,997.00
5. Step 5: Solve for x
   x = 4,180,997.00/2,566.51
6. Step 6: Final answer
   x = 1,629.06