Finding the Fourth Proportional to 2,061.50, 3,092.43 and 522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.50 : 3,092.43 = 522.50 : x
2. Step 2: Convert to fraction form
   2,061.50/3,092.43 = 522.50/x
3. Step 3: Cross multiply
   2,061.50x = 3,092.43 × 522.50
4. Step 4: Simplify right side
   2,061.50x = 1,615,794.68
5. Step 5: Solve for x
   x = 1,615,794.68/2,061.50
6. Step 6: Final answer
   x = 783.80