Finding the Fourth Proportional to 22,293.95, 30,765.89 and 12,735.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,293.95 : 30,765.89 = 12,735.10 : x
2. Step 2: Convert to fraction form
   22,293.95/30,765.89 = 12,735.10/x
3. Step 3: Cross multiply
   22,293.95x = 30,765.89 × 12,735.10
4. Step 4: Simplify right side
   22,293.95x = 391,806,640.66
5. Step 5: Solve for x
   x = 391,806,640.66/22,293.95
6. Step 6: Final answer
   x = 17,574.58