Finding the Fourth Proportional to 50,307.51, 69,383.16 and 31,173.99

Step by Step Solution

1. Step 1: Write the proportion equation
   50,307.51 : 69,383.16 = 31,173.99 : x
2. Step 2: Convert to fraction form
   50,307.51/69,383.16 = 31,173.99/x
3. Step 3: Cross multiply
   50,307.51x = 69,383.16 × 31,173.99
4. Step 4: Simplify right side
   50,307.51x = 2,162,949,936.01
5. Step 5: Solve for x
   x = 2,162,949,936.01/50,307.51
6. Step 6: Final answer
   x = 42,994.57