Finding the Fourth Proportional to 2,055.58, 3,083.57 and 756.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.58 : 3,083.57 = 756.88 : x
2. Step 2: Convert to fraction form
   2,055.58/3,083.57 = 756.88/x
3. Step 3: Cross multiply
   2,055.58x = 3,083.57 × 756.88
4. Step 4: Simplify right side
   2,055.58x = 2,333,892.46
5. Step 5: Solve for x
   x = 2,333,892.46/2,055.58
6. Step 6: Final answer
   x = 1,135.39