Finding the Fourth Proportional to 33,139.72, 45,733.89 and 18,995.23

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.72 : 45,733.89 = 18,995.23 : x
2. Step 2: Convert to fraction form
   33,139.72/45,733.89 = 18,995.23/x
3. Step 3: Cross multiply
   33,139.72x = 45,733.89 × 18,995.23
4. Step 4: Simplify right side
   33,139.72x = 868,725,759.34
5. Step 5: Solve for x
   x = 868,725,759.34/33,139.72
6. Step 6: Final answer
   x = 26,214.03