Finding the Fourth Proportional to 2,606.78, 3,597.33 and 1,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.78 : 3,597.33 = 1,427.78 : x
2. Step 2: Convert to fraction form
   2,606.78/3,597.33 = 1,427.78/x
3. Step 3: Cross multiply
   2,606.78x = 3,597.33 × 1,427.78
4. Step 4: Simplify right side
   2,606.78x = 5,136,195.83
5. Step 5: Solve for x
   x = 5,136,195.83/2,606.78
6. Step 6: Final answer
   x = 1,970.32