Finding the Fourth Proportional to 10,840.50, 16,260.78 and 2,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.50 : 16,260.78 = 2,632.50 : x
2. Step 2: Convert to fraction form
   10,840.50/16,260.78 = 2,632.50/x
3. Step 3: Cross multiply
   10,840.50x = 16,260.78 × 2,632.50
4. Step 4: Simplify right side
   10,840.50x = 42,806,503.35
5. Step 5: Solve for x
   x = 42,806,503.35/10,840.50
6. Step 6: Final answer
   x = 3,948.76