Finding the Fourth Proportional to 2,588.05, 3,881.04 and 1,126.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.05 : 3,881.04 = 1,126.18 : x
2. Step 2: Convert to fraction form
   2,588.05/3,881.04 = 1,126.18/x
3. Step 3: Cross multiply
   2,588.05x = 3,881.04 × 1,126.18
4. Step 4: Simplify right side
   2,588.05x = 4,370,749.63
5. Step 5: Solve for x
   x = 4,370,749.63/2,588.05
6. Step 6: Final answer
   x = 1,688.82