Finding the Fourth Proportional to 33,457.83, 46,131.42 and 28,912.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,457.83 : 46,131.42 = 28,912.38 : x
2. Step 2: Convert to fraction form
   33,457.83/46,131.42 = 28,912.38/x
3. Step 3: Cross multiply
   33,457.83x = 46,131.42 × 28,912.38
4. Step 4: Simplify right side
   33,457.83x = 1,333,769,144.98
5. Step 5: Solve for x
   x = 1,333,769,144.98/33,457.83
6. Step 6: Final answer
   x = 39,864.19