Finding the Fourth Proportional to 2,877.72, 4,314.42 and 1,767.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.72 : 4,314.42 = 1,767.48 : x
2. Step 2: Convert to fraction form
   2,877.72/4,314.42 = 1,767.48/x
3. Step 3: Cross multiply
   2,877.72x = 4,314.42 × 1,767.48
4. Step 4: Simplify right side
   2,877.72x = 7,625,651.06
5. Step 5: Solve for x
   x = 7,625,651.06/2,877.72
6. Step 6: Final answer
   x = 2,649.89