Finding the Fourth Proportional to 1,697.56, 2,552.22 and 1,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.56 : 2,552.22 = 1,336.72 : x
2. Step 2: Convert to fraction form
   1,697.56/2,552.22 = 1,336.72/x
3. Step 3: Cross multiply
   1,697.56x = 2,552.22 × 1,336.72
4. Step 4: Simplify right side
   1,697.56x = 3,411,603.52
5. Step 5: Solve for x
   x = 3,411,603.52/1,697.56
6. Step 6: Final answer
   x = 2,009.71