Finding the Fourth Proportional to 33,326.72, 45,990.24 and 18,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,326.72 : 45,990.24 = 18,422.72 : x
2. Step 2: Convert to fraction form
   33,326.72/45,990.24 = 18,422.72/x
3. Step 3: Cross multiply
   33,326.72x = 45,990.24 × 18,422.72
4. Step 4: Simplify right side
   33,326.72x = 847,265,314.25
5. Step 5: Solve for x
   x = 847,265,314.25/33,326.72
6. Step 6: Final answer
   x = 25,423.00