Finding the Fourth Proportional to 2,601.59, 3,590.47 and 1,539.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.59 : 3,590.47 = 1,539.71 : x
2. Step 2: Convert to fraction form
   2,601.59/3,590.47 = 1,539.71/x
3. Step 3: Cross multiply
   2,601.59x = 3,590.47 × 1,539.71
4. Step 4: Simplify right side
   2,601.59x = 5,528,282.56
5. Step 5: Solve for x
   x = 5,528,282.56/2,601.59
6. Step 6: Final answer
   x = 2,124.96