Finding the Fourth Proportional to 2,518.49, 3,773.89 and 1,056.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.49 : 3,773.89 = 1,056.85 : x
2. Step 2: Convert to fraction form
   2,518.49/3,773.89 = 1,056.85/x
3. Step 3: Cross multiply
   2,518.49x = 3,773.89 × 1,056.85
4. Step 4: Simplify right side
   2,518.49x = 3,988,427.53
5. Step 5: Solve for x
   x = 3,988,427.53/2,518.49
6. Step 6: Final answer
   x = 1,583.66