Finding the Fourth Proportional to 3,839.64, 5,298.61 and 2,513.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.64 : 5,298.61 = 2,513.32 : x
2. Step 2: Convert to fraction form
   3,839.64/5,298.61 = 2,513.32/x
3. Step 3: Cross multiply
   3,839.64x = 5,298.61 × 2,513.32
4. Step 4: Simplify right side
   3,839.64x = 13,317,087.67
5. Step 5: Solve for x
   x = 13,317,087.67/3,839.64
6. Step 6: Final answer
   x = 3,468.32