Finding the Fourth Proportional to 2,624.84, 3,933.41 and 1,388.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.84 : 3,933.41 = 1,388.51 : x
2. Step 2: Convert to fraction form
   2,624.84/3,933.41 = 1,388.51/x
3. Step 3: Cross multiply
   2,624.84x = 3,933.41 × 1,388.51
4. Step 4: Simplify right side
   2,624.84x = 5,461,552.51
5. Step 5: Solve for x
   x = 5,461,552.51/2,624.84
6. Step 6: Final answer
   x = 2,080.72