Finding the Fourth Proportional to 33,031.86, 45,583.92 and 18,885

Step by Step Solution

1. Step 1: Write the proportion equation
   33,031.86 : 45,583.92 = 18,885 : x
2. Step 2: Convert to fraction form
   33,031.86/45,583.92 = 18,885/x
3. Step 3: Cross multiply
   33,031.86x = 45,583.92 × 18,885
4. Step 4: Simplify right side
   33,031.86x = 860,852,329.20
5. Step 5: Solve for x
   x = 860,852,329.20/33,031.86
6. Step 6: Final answer
   x = 26,061.27