Finding the Fourth Proportional to 3,061.68, 4,221.41 and 2,588.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.68 : 4,221.41 = 2,588.73 : x
2. Step 2: Convert to fraction form
   3,061.68/4,221.41 = 2,588.73/x
3. Step 3: Cross multiply
   3,061.68x = 4,221.41 × 2,588.73
4. Step 4: Simplify right side
   3,061.68x = 10,928,077.77
5. Step 5: Solve for x
   x = 10,928,077.77/3,061.68
6. Step 6: Final answer
   x = 3,569.31