Finding the Fourth Proportional to 22,978.48, 34,423.89 and 15,570.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.48 : 34,423.89 = 15,570.22 : x
2. Step 2: Convert to fraction form
   22,978.48/34,423.89 = 15,570.22/x
3. Step 3: Cross multiply
   22,978.48x = 34,423.89 × 15,570.22
4. Step 4: Simplify right side
   22,978.48x = 535,987,540.56
5. Step 5: Solve for x
   x = 535,987,540.56/22,978.48
6. Step 6: Final answer
   x = 23,325.63