Finding the Fourth Proportional to 2,162.50, 3,246.06 and 930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.50 : 3,246.06 = 930.52 : x
2. Step 2: Convert to fraction form
   2,162.50/3,246.06 = 930.52/x
3. Step 3: Cross multiply
   2,162.50x = 3,246.06 × 930.52
4. Step 4: Simplify right side
   2,162.50x = 3,020,523.75
5. Step 5: Solve for x
   x = 3,020,523.75/2,162.50
6. Step 6: Final answer
   x = 1,396.77