Finding the Fourth Proportional to 33,071.30, 45,612 and 21,752.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,071.30 : 45,612 = 21,752.42 : x
2. Step 2: Convert to fraction form
   33,071.30/45,612 = 21,752.42/x
3. Step 3: Cross multiply
   33,071.30x = 45,612 × 21,752.42
4. Step 4: Simplify right side
   33,071.30x = 992,171,152.98
5. Step 5: Solve for x
   x = 992,171,152.98/33,071.30
6. Step 6: Final answer
   x = 30,000.98