Finding the Fourth Proportional to 2,167.50, 3,250.71 and 607.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.50 : 3,250.71 = 607.10 : x
2. Step 2: Convert to fraction form
   2,167.50/3,250.71 = 607.10/x
3. Step 3: Cross multiply
   2,167.50x = 3,250.71 × 607.10
4. Step 4: Simplify right side
   2,167.50x = 1,973,499.70
5. Step 5: Solve for x
   x = 1,973,499.70/2,167.50
6. Step 6: Final answer
   x = 910.50