Finding the Fourth Proportional to 2,068.65, 3,103.43 and 607.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.65 : 3,103.43 = 607.71 : x
2. Step 2: Convert to fraction form
   2,068.65/3,103.43 = 607.71/x
3. Step 3: Cross multiply
   2,068.65x = 3,103.43 × 607.71
4. Step 4: Simplify right side
   2,068.65x = 1,885,985.45
5. Step 5: Solve for x
   x = 1,885,985.45/2,068.65
6. Step 6: Final answer
   x = 911.70