Finding the Fourth Proportional to 2,606.84, 3,597.42 and 1,427.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.84 : 3,597.42 = 1,427.90 : x
2. Step 2: Convert to fraction form
   2,606.84/3,597.42 = 1,427.90/x
3. Step 3: Cross multiply
   2,606.84x = 3,597.42 × 1,427.90
4. Step 4: Simplify right side
   2,606.84x = 5,136,756.02
5. Step 5: Solve for x
   x = 5,136,756.02/2,606.84
6. Step 6: Final answer
   x = 1,970.49