Finding the Fourth Proportional to 1,763.16, 2,646.18 and 897.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.16 : 2,646.18 = 897.72 : x
2. Step 2: Convert to fraction form
   1,763.16/2,646.18 = 897.72/x
3. Step 3: Cross multiply
   1,763.16x = 2,646.18 × 897.72
4. Step 4: Simplify right side
   1,763.16x = 2,375,528.71
5. Step 5: Solve for x
   x = 2,375,528.71/1,763.16
6. Step 6: Final answer
   x = 1,347.31