Finding the Fourth Proportional to 2,746.18, 4,118.85 and 897.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,746.18 : 4,118.85 = 897.31 : x
2. Step 2: Convert to fraction form
   2,746.18/4,118.85 = 897.31/x
3. Step 3: Cross multiply
   2,746.18x = 4,118.85 × 897.31
4. Step 4: Simplify right side
   2,746.18x = 3,695,885.29
5. Step 5: Solve for x
   x = 3,695,885.29/2,746.18
6. Step 6: Final answer
   x = 1,345.83