Finding the Fourth Proportional to 33,137.34, 45,730.72 and 18,992.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,137.34 : 45,730.72 = 18,992.88 : x
2. Step 2: Convert to fraction form
   33,137.34/45,730.72 = 18,992.88/x
3. Step 3: Cross multiply
   33,137.34x = 45,730.72 × 18,992.88
4. Step 4: Simplify right side
   33,137.34x = 868,558,077.27
5. Step 5: Solve for x
   x = 868,558,077.27/33,137.34
6. Step 6: Final answer
   x = 26,210.86