Finding the Fourth Proportional to 23,726.22, 35,654.00 and 12,640.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,726.22 : 35,654.00 = 12,640.83 : x
2. Step 2: Convert to fraction form
   23,726.22/35,654.00 = 12,640.83/x
3. Step 3: Cross multiply
   23,726.22x = 35,654.00 × 12,640.83
4. Step 4: Simplify right side
   23,726.22x = 450,696,089.62
5. Step 5: Solve for x
   x = 450,696,089.62/23,726.22
6. Step 6: Final answer
   x = 18,995.70