Finding the Fourth Proportional to 33,156, 45,794.16 and 21,958.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,156 : 45,794.16 = 21,958.56 : x
2. Step 2: Convert to fraction form
   33,156/45,794.16 = 21,958.56/x
3. Step 3: Cross multiply
   33,156x = 45,794.16 × 21,958.56
4. Step 4: Simplify right side
   33,156x = 1,005,573,810.01
5. Step 5: Solve for x
   x = 1,005,573,810.01/33,156
6. Step 6: Final answer
   x = 30,328.56