Finding the Fourth Proportional to 1,851.77, 2,776.89 and 755.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.77 : 2,776.89 = 755.39 : x
2. Step 2: Convert to fraction form
   1,851.77/2,776.89 = 755.39/x
3. Step 3: Cross multiply
   1,851.77x = 2,776.89 × 755.39
4. Step 4: Simplify right side
   1,851.77x = 2,097,634.94
5. Step 5: Solve for x
   x = 2,097,634.94/1,851.77
6. Step 6: Final answer
   x = 1,132.77