Finding the Fourth Proportional to 2,605.83, 3,596.36 and 1,557.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.83 : 3,596.36 = 1,557.87 : x
2. Step 2: Convert to fraction form
   2,605.83/3,596.36 = 1,557.87/x
3. Step 3: Cross multiply
   2,605.83x = 3,596.36 × 1,557.87
4. Step 4: Simplify right side
   2,605.83x = 5,602,653.56
5. Step 5: Solve for x
   x = 5,602,653.56/2,605.83
6. Step 6: Final answer
   x = 2,150.05