Finding the Fourth Proportional to 83,578.56, 115,348.32 and 50,043.84

Step by Step Solution

1. Step 1: Write the proportion equation
   83,578.56 : 115,348.32 = 50,043.84 : x
2. Step 2: Convert to fraction form
   83,578.56/115,348.32 = 50,043.84/x
3. Step 3: Cross multiply
   83,578.56x = 115,348.32 × 50,043.84
4. Step 4: Simplify right side
   83,578.56x = 5,772,472,870.35
5. Step 5: Solve for x
   x = 5,772,472,870.35/83,578.56
6. Step 6: Final answer
   x = 69,066.43