Finding the Fourth Proportional to 22,444.01, 30,978.69 and 13,253.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,444.01 : 30,978.69 = 13,253.61 : x
2. Step 2: Convert to fraction form
   22,444.01/30,978.69 = 13,253.61/x
3. Step 3: Cross multiply
   22,444.01x = 30,978.69 × 13,253.61
4. Step 4: Simplify right side
   22,444.01x = 410,579,475.57
5. Step 5: Solve for x
   x = 410,579,475.57/22,444.01
6. Step 6: Final answer
   x = 18,293.50