Finding the Fourth Proportional to 2,598.78, 3,899.22 and 1,366.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.78 : 3,899.22 = 1,366.98 : x
2. Step 2: Convert to fraction form
   2,598.78/3,899.22 = 1,366.98/x
3. Step 3: Cross multiply
   2,598.78x = 3,899.22 × 1,366.98
4. Step 4: Simplify right side
   2,598.78x = 5,330,155.76
5. Step 5: Solve for x
   x = 5,330,155.76/2,598.78
6. Step 6: Final answer
   x = 2,051.02