Finding the Fourth Proportional to 5,362.79, 8,042.15 and 2,588.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,362.79 : 8,042.15 = 2,588.54 : x
2. Step 2: Convert to fraction form
   5,362.79/8,042.15 = 2,588.54/x
3. Step 3: Cross multiply
   5,362.79x = 8,042.15 × 2,588.54
4. Step 4: Simplify right side
   5,362.79x = 20,817,393.22
5. Step 5: Solve for x
   x = 20,817,393.22/5,362.79
6. Step 6: Final answer
   x = 3,881.83