Finding the Fourth Proportional to 2,037.98, 3,056.56 and 577.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.98 : 3,056.56 = 577.15 : x
2. Step 2: Convert to fraction form
   2,037.98/3,056.56 = 577.15/x
3. Step 3: Cross multiply
   2,037.98x = 3,056.56 × 577.15
4. Step 4: Simplify right side
   2,037.98x = 1,764,084.52
5. Step 5: Solve for x
   x = 1,764,084.52/2,037.98
6. Step 6: Final answer
   x = 865.60