Finding the Fourth Proportional to 2,392.54, 3,588.71 and 749.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.54 : 3,588.71 = 749.05 : x
2. Step 2: Convert to fraction form
   2,392.54/3,588.71 = 749.05/x
3. Step 3: Cross multiply
   2,392.54x = 3,588.71 × 749.05
4. Step 4: Simplify right side
   2,392.54x = 2,688,110.51
5. Step 5: Solve for x
   x = 2,688,110.51/2,392.54
6. Step 6: Final answer
   x = 1,123.54