Finding the Fourth Proportional to 2,630.25, 3,946.05 and 898.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.25 : 3,946.05 = 898.88 : x
2. Step 2: Convert to fraction form
   2,630.25/3,946.05 = 898.88/x
3. Step 3: Cross multiply
   2,630.25x = 3,946.05 × 898.88
4. Step 4: Simplify right side
   2,630.25x = 3,547,005.69
5. Step 5: Solve for x
   x = 3,547,005.69/2,630.25
6. Step 6: Final answer
   x = 1,348.54