Finding the Fourth Proportional to 33,322.89, 45,985.59 and 18,215.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,322.89 : 45,985.59 = 18,215.61 : x
2. Step 2: Convert to fraction form
   33,322.89/45,985.59 = 18,215.61/x
3. Step 3: Cross multiply
   33,322.89x = 45,985.59 × 18,215.61
4. Step 4: Simplify right side
   33,322.89x = 837,655,573.06
5. Step 5: Solve for x
   x = 837,655,573.06/33,322.89
6. Step 6: Final answer
   x = 25,137.54