Finding the Fourth Proportional to 2,367.36, 3,546.72 and 1,388.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.36 : 3,546.72 = 1,388.88 : x
2. Step 2: Convert to fraction form
   2,367.36/3,546.72 = 1,388.88/x
3. Step 3: Cross multiply
   2,367.36x = 3,546.72 × 1,388.88
4. Step 4: Simplify right side
   2,367.36x = 4,925,968.47
5. Step 5: Solve for x
   x = 4,925,968.47/2,367.36
6. Step 6: Final answer
   x = 2,080.79