Finding the Fourth Proportional to 1,563.22, 2,159.86 and 1,234.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563.22 : 2,159.86 = 1,234.18 : x
2. Step 2: Convert to fraction form
   1,563.22/2,159.86 = 1,234.18/x
3. Step 3: Cross multiply
   1,563.22x = 2,159.86 × 1,234.18
4. Step 4: Simplify right side
   1,563.22x = 2,665,656.01
5. Step 5: Solve for x
   x = 2,665,656.01/1,563.22
6. Step 6: Final answer
   x = 1,705.23