Finding the Fourth Proportional to 22,897.20, 34,358.56 and 12,367.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,897.20 : 34,358.56 = 12,367.00 : x
2. Step 2: Convert to fraction form
   22,897.20/34,358.56 = 12,367.00/x
3. Step 3: Cross multiply
   22,897.20x = 34,358.56 × 12,367.00
4. Step 4: Simplify right side
   22,897.20x = 424,912,077.89
5. Step 5: Solve for x
   x = 424,912,077.89/22,897.20
6. Step 6: Final answer
   x = 18,557.38