Finding the Fourth Proportional to 1,693.72, 2,337.72 and 1,103.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.72 : 2,337.72 = 1,103.24 : x
2. Step 2: Convert to fraction form
   1,693.72/2,337.72 = 1,103.24/x
3. Step 3: Cross multiply
   1,693.72x = 2,337.72 × 1,103.24
4. Step 4: Simplify right side
   1,693.72x = 2,579,066.21
5. Step 5: Solve for x
   x = 2,579,066.21/1,693.72
6. Step 6: Final answer
   x = 1,522.72