Finding the Fourth Proportional to 33,134.72, 45,726.96 and 18,992

Step by Step Solution

1. Step 1: Write the proportion equation
   33,134.72 : 45,726.96 = 18,992 : x
2. Step 2: Convert to fraction form
   33,134.72/45,726.96 = 18,992/x
3. Step 3: Cross multiply
   33,134.72x = 45,726.96 × 18,992
4. Step 4: Simplify right side
   33,134.72x = 868,446,424.32
5. Step 5: Solve for x
   x = 868,446,424.32/33,134.72
6. Step 6: Final answer
   x = 26,209.56