Finding the Fourth Proportional to 2,388.02, 3,580.88 and 744.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.02 : 3,580.88 = 744.74 : x
2. Step 2: Convert to fraction form
   2,388.02/3,580.88 = 744.74/x
3. Step 3: Cross multiply
   2,388.02x = 3,580.88 × 744.74
4. Step 4: Simplify right side
   2,388.02x = 2,666,824.57
5. Step 5: Solve for x
   x = 2,666,824.57/2,388.02
6. Step 6: Final answer
   x = 1,116.75