Finding the Fourth Proportional to 1,100.67, 1,518.67 and 652.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.67 : 1,518.67 = 652.31 : x
2. Step 2: Convert to fraction form
   1,100.67/1,518.67 = 652.31/x
3. Step 3: Cross multiply
   1,100.67x = 1,518.67 × 652.31
4. Step 4: Simplify right side
   1,100.67x = 990,643.63
5. Step 5: Solve for x
   x = 990,643.63/1,100.67
6. Step 6: Final answer
   x = 900.04