Finding the Fourth Proportional to 1,697.40, 2,342.52 and 1,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.40 : 2,342.52 = 1,109.52 : x
2. Step 2: Convert to fraction form
   1,697.40/2,342.52 = 1,109.52/x
3. Step 3: Cross multiply
   1,697.40x = 2,342.52 × 1,109.52
4. Step 4: Simplify right side
   1,697.40x = 2,599,072.79
5. Step 5: Solve for x
   x = 2,599,072.79/1,697.40
6. Step 6: Final answer
   x = 1,531.21