Finding the Fourth Proportional to 50,478.31, 69,662.42 and 29,264.23

Step by Step Solution

1. Step 1: Write the proportion equation
   50,478.31 : 69,662.42 = 29,264.23 : x
2. Step 2: Convert to fraction form
   50,478.31/69,662.42 = 29,264.23/x
3. Step 3: Cross multiply
   50,478.31x = 69,662.42 × 29,264.23
4. Step 4: Simplify right side
   50,478.31x = 2,038,617,081.24
5. Step 5: Solve for x
   x = 2,038,617,081.24/50,478.31
6. Step 6: Final answer
   x = 40,386.00