Finding the Fourth Proportional to 21,815.86, 32,726.86 and 7,026.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,815.86 : 32,726.86 = 7,026.34 : x
2. Step 2: Convert to fraction form
   21,815.86/32,726.86 = 7,026.34/x
3. Step 3: Cross multiply
   21,815.86x = 32,726.86 × 7,026.34
4. Step 4: Simplify right side
   21,815.86x = 229,950,045.49
5. Step 5: Solve for x
   x = 229,950,045.49/21,815.86
6. Step 6: Final answer
   x = 10,540.50