Finding the Fourth Proportional to 2,138.06, 3,201.69 and 1,697.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138.06 : 3,201.69 = 1,697.15 : x
2. Step 2: Convert to fraction form
   2,138.06/3,201.69 = 1,697.15/x
3. Step 3: Cross multiply
   2,138.06x = 3,201.69 × 1,697.15
4. Step 4: Simplify right side
   2,138.06x = 5,433,748.18
5. Step 5: Solve for x
   x = 5,433,748.18/2,138.06
6. Step 6: Final answer
   x = 2,541.44