Finding the Fourth Proportional to 33,213, 45,836.82 and 18,311.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,213 : 45,836.82 = 18,311.88 : x
2. Step 2: Convert to fraction form
   33,213/45,836.82 = 18,311.88/x
3. Step 3: Cross multiply
   33,213x = 45,836.82 × 18,311.88
4. Step 4: Simplify right side
   33,213x = 839,358,347.42
5. Step 5: Solve for x
   x = 839,358,347.42/33,213
6. Step 6: Final answer
   x = 25,271.98