Finding the Fourth Proportional to 33,105.33, 45,648.24 and 31,005.81

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.33 : 45,648.24 = 31,005.81 : x
2. Step 2: Convert to fraction form
   33,105.33/45,648.24 = 31,005.81/x
3. Step 3: Cross multiply
   33,105.33x = 45,648.24 × 31,005.81
4. Step 4: Simplify right side
   33,105.33x = 1,415,360,656.27
5. Step 5: Solve for x
   x = 1,415,360,656.27/33,105.33
6. Step 6: Final answer
   x = 42,753.26