Finding the Fourth Proportional to 33,156.76, 45,761.88 and 21,219.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,156.76 : 45,761.88 = 21,219.52 : x
2. Step 2: Convert to fraction form
   33,156.76/45,761.88 = 21,219.52/x
3. Step 3: Cross multiply
   33,156.76x = 45,761.88 × 21,219.52
4. Step 4: Simplify right side
   33,156.76x = 971,045,127.90
5. Step 5: Solve for x
   x = 971,045,127.90/33,156.76
6. Step 6: Final answer
   x = 29,286.49