Finding the Fourth Proportional to 2,298.57, 3,448.05 and 738.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.57 : 3,448.05 = 738.71 : x
2. Step 2: Convert to fraction form
   2,298.57/3,448.05 = 738.71/x
3. Step 3: Cross multiply
   2,298.57x = 3,448.05 × 738.71
4. Step 4: Simplify right side
   2,298.57x = 2,547,109.02
5. Step 5: Solve for x
   x = 2,547,109.02/2,298.57
6. Step 6: Final answer
   x = 1,108.13