Finding the Fourth Proportional to 1,100.53, 1,653.38 and 1,038.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.53 : 1,653.38 = 1,038.26 : x
2. Step 2: Convert to fraction form
   1,100.53/1,653.38 = 1,038.26/x
3. Step 3: Cross multiply
   1,100.53x = 1,653.38 × 1,038.26
4. Step 4: Simplify right side
   1,100.53x = 1,716,638.32
5. Step 5: Solve for x
   x = 1,716,638.32/1,100.53
6. Step 6: Final answer
   x = 1,559.83