Finding the Fourth Proportional to 1,756.49, 2,637.77 and 1,678.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.49 : 2,637.77 = 1,678.52 : x
2. Step 2: Convert to fraction form
   1,756.49/2,637.77 = 1,678.52/x
3. Step 3: Cross multiply
   1,756.49x = 2,637.77 × 1,678.52
4. Step 4: Simplify right side
   1,756.49x = 4,427,547.90
5. Step 5: Solve for x
   x = 4,427,547.90/1,756.49
6. Step 6: Final answer
   x = 2,520.69