Finding the Fourth Proportional to 1,710.89, 2,566.69 and 541.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.89 : 2,566.69 = 541.22 : x
2. Step 2: Convert to fraction form
   1,710.89/2,566.69 = 541.22/x
3. Step 3: Cross multiply
   1,710.89x = 2,566.69 × 541.22
4. Step 4: Simplify right side
   1,710.89x = 1,389,141.26
5. Step 5: Solve for x
   x = 1,389,141.26/1,710.89
6. Step 6: Final answer
   x = 811.94