Finding the Fourth Proportional to 3,422.98, 5,136.90 and 3,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,422.98 : 5,136.90 = 3,092.50 : x
2. Step 2: Convert to fraction form
   3,422.98/5,136.90 = 3,092.50/x
3. Step 3: Cross multiply
   3,422.98x = 5,136.90 × 3,092.50
4. Step 4: Simplify right side
   3,422.98x = 15,885,822.10
5. Step 5: Solve for x
   x = 15,885,822.10/3,422.98
6. Step 6: Final answer
   x = 4,640.94