Finding the Fourth Proportional to 3,899.84, 5,844.27 and 2,598.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.84 : 5,844.27 = 2,598.57 : x
2. Step 2: Convert to fraction form
   3,899.84/5,844.27 = 2,598.57/x
3. Step 3: Cross multiply
   3,899.84x = 5,844.27 × 2,598.57
4. Step 4: Simplify right side
   3,899.84x = 15,186,744.69
5. Step 5: Solve for x
   x = 15,186,744.69/3,899.84
6. Step 6: Final answer
   x = 3,894.20