Finding the Fourth Proportional to 2,606.82, 3,597.40 and 1,427.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.82 : 3,597.40 = 1,427.88 : x
2. Step 2: Convert to fraction form
   2,606.82/3,597.40 = 1,427.88/x
3. Step 3: Cross multiply
   2,606.82x = 3,597.40 × 1,427.88
4. Step 4: Simplify right side
   2,606.82x = 5,136,655.51
5. Step 5: Solve for x
   x = 5,136,655.51/2,606.82
6. Step 6: Final answer
   x = 1,970.47