Finding the Fourth Proportional to 2,688.49, 3,710.52 and 1,934.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.49 : 3,710.52 = 1,934.76 : x
2. Step 2: Convert to fraction form
   2,688.49/3,710.52 = 1,934.76/x
3. Step 3: Cross multiply
   2,688.49x = 3,710.52 × 1,934.76
4. Step 4: Simplify right side
   2,688.49x = 7,178,977.12
5. Step 5: Solve for x
   x = 7,178,977.12/2,688.49
6. Step 6: Final answer
   x = 2,670.26