Finding the Fourth Proportional to 2,068.02, 3,101.31 and 913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.02 : 3,101.31 = 913.50 : x
2. Step 2: Convert to fraction form
   2,068.02/3,101.31 = 913.50/x
3. Step 3: Cross multiply
   2,068.02x = 3,101.31 × 913.50
4. Step 4: Simplify right side
   2,068.02x = 2,833,046.69
5. Step 5: Solve for x
   x = 2,833,046.69/2,068.02
6. Step 6: Final answer
   x = 1,369.93