Finding the Fourth Proportional to 2,037.90, 3,056.82 and 577.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.90 : 3,056.82 = 577.07 : x
2. Step 2: Convert to fraction form
   2,037.90/3,056.82 = 577.07/x
3. Step 3: Cross multiply
   2,037.90x = 3,056.82 × 577.07
4. Step 4: Simplify right side
   2,037.90x = 1,763,983.83
5. Step 5: Solve for x
   x = 1,763,983.83/2,037.90
6. Step 6: Final answer
   x = 865.59