Finding the Fourth Proportional to 2,606.91, 3,597.54 and 1,427.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.91 : 3,597.54 = 1,427.98 : x
2. Step 2: Convert to fraction form
   2,606.91/3,597.54 = 1,427.98/x
3. Step 3: Cross multiply
   2,606.91x = 3,597.54 × 1,427.98
4. Step 4: Simplify right side
   2,606.91x = 5,137,215.17
5. Step 5: Solve for x
   x = 5,137,215.17/2,606.91
6. Step 6: Final answer
   x = 1,970.61