Finding the Fourth Proportional to 1,563.50, 2,342.65 and 1,100.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563.50 : 2,342.65 = 1,100.31 : x
2. Step 2: Convert to fraction form
   1,563.50/2,342.65 = 1,100.31/x
3. Step 3: Cross multiply
   1,563.50x = 2,342.65 × 1,100.31
4. Step 4: Simplify right side
   1,563.50x = 2,577,642.60
5. Step 5: Solve for x
   x = 2,577,642.60/1,563.50
6. Step 6: Final answer
   x = 1,648.63