Finding the Fourth Proportional to 2,068.98, 3,101.72 and 898.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.98 : 3,101.72 = 898.09 : x
2. Step 2: Convert to fraction form
   2,068.98/3,101.72 = 898.09/x
3. Step 3: Cross multiply
   2,068.98x = 3,101.72 × 898.09
4. Step 4: Simplify right side
   2,068.98x = 2,785,627.08
5. Step 5: Solve for x
   x = 2,785,627.08/2,068.98
6. Step 6: Final answer
   x = 1,346.38