Finding the Fourth Proportional to 2,014.78, 3,022.35 and 553.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.78 : 3,022.35 = 553.94 : x
2. Step 2: Convert to fraction form
   2,014.78/3,022.35 = 553.94/x
3. Step 3: Cross multiply
   2,014.78x = 3,022.35 × 553.94
4. Step 4: Simplify right side
   2,014.78x = 1,674,200.56
5. Step 5: Solve for x
   x = 1,674,200.56/2,014.78
6. Step 6: Final answer
   x = 830.96