Finding the Fourth Proportional to 2,588.79, 3,900.48 and 2,342.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.79 : 3,900.48 = 2,342.31 : x
2. Step 2: Convert to fraction form
   2,588.79/3,900.48 = 2,342.31/x
3. Step 3: Cross multiply
   2,588.79x = 3,900.48 × 2,342.31
4. Step 4: Simplify right side
   2,588.79x = 9,136,133.31
5. Step 5: Solve for x
   x = 9,136,133.31/2,588.79
6. Step 6: Final answer
   x = 3,529.11