Finding the Fourth Proportional to 3,088.91, 4,632.89 and 897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,088.91 : 4,632.89 = 897.18 : x
2. Step 2: Convert to fraction form
   3,088.91/4,632.89 = 897.18/x
3. Step 3: Cross multiply
   3,088.91x = 4,632.89 × 897.18
4. Step 4: Simplify right side
   3,088.91x = 4,156,531.76
5. Step 5: Solve for x
   x = 4,156,531.76/3,088.91
6. Step 6: Final answer
   x = 1,345.63