Finding the Fourth Proportional to 33,044.78, 45,606.78 and 21,116.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,044.78 : 45,606.78 = 21,116.06 : x
2. Step 2: Convert to fraction form
   33,044.78/45,606.78 = 21,116.06/x
3. Step 3: Cross multiply
   33,044.78x = 45,606.78 × 21,116.06
4. Step 4: Simplify right side
   33,044.78x = 963,035,502.89
5. Step 5: Solve for x
   x = 963,035,502.89/33,044.78
6. Step 6: Final answer
   x = 29,143.35