Finding the Fourth Proportional to 71,022.82, 106,471.83 and 28,938.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71,022.82 : 106,471.83 = 28,938.29 : x
2. Step 2: Convert to fraction form
   71,022.82/106,471.83 = 28,938.29/x
3. Step 3: Cross multiply
   71,022.82x = 106,471.83 × 28,938.29
4. Step 4: Simplify right side
   71,022.82x = 3,081,112,548.68
5. Step 5: Solve for x
   x = 3,081,112,548.68/71,022.82
6. Step 6: Final answer
   x = 43,382.01