Finding the Fourth Proportional to 1,767.42, 2,649.48 and 842.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.42 : 2,649.48 = 842.52 : x
2. Step 2: Convert to fraction form
   1,767.42/2,649.48 = 842.52/x
3. Step 3: Cross multiply
   1,767.42x = 2,649.48 × 842.52
4. Step 4: Simplify right side
   1,767.42x = 2,232,239.89
5. Step 5: Solve for x
   x = 2,232,239.89/1,767.42
6. Step 6: Final answer
   x = 1,262.99