Finding the Fourth Proportional to 33,031.86, 45,573.37 and 18,493.91

Step by Step Solution

1. Step 1: Write the proportion equation
   33,031.86 : 45,573.37 = 18,493.91 : x
2. Step 2: Convert to fraction form
   33,031.86/45,573.37 = 18,493.91/x
3. Step 3: Cross multiply
   33,031.86x = 45,573.37 × 18,493.91
4. Step 4: Simplify right side
   33,031.86x = 842,829,598.43
5. Step 5: Solve for x
   x = 842,829,598.43/33,031.86
6. Step 6: Final answer
   x = 25,515.65