Finding the Fourth Proportional to 2,068.60, 3,101.15 and 897.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.60 : 3,101.15 = 897.72 : x
2. Step 2: Convert to fraction form
   2,068.60/3,101.15 = 897.72/x
3. Step 3: Cross multiply
   2,068.60x = 3,101.15 × 897.72
4. Step 4: Simplify right side
   2,068.60x = 2,783,954.99
5. Step 5: Solve for x
   x = 2,783,954.99/2,068.60
6. Step 6: Final answer
   x = 1,345.82