Finding the Fourth Proportional to 2,134.17, 2,943.34 and 1,691.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.17 : 2,943.34 = 1,691.30 : x
2. Step 2: Convert to fraction form
   2,134.17/2,943.34 = 1,691.30/x
3. Step 3: Cross multiply
   2,134.17x = 2,943.34 × 1,691.30
4. Step 4: Simplify right side
   2,134.17x = 4,978,074.07
5. Step 5: Solve for x
   x = 4,978,074.07/2,134.17
6. Step 6: Final answer
   x = 2,332.56