Finding the Fourth Proportional to 92,874.69, 128,167.61 and 50,433.57

Step by Step Solution

1. Step 1: Write the proportion equation
   92,874.69 : 128,167.61 = 50,433.57 : x
2. Step 2: Convert to fraction form
   92,874.69/128,167.61 = 50,433.57/x
3. Step 3: Cross multiply
   92,874.69x = 128,167.61 × 50,433.57
4. Step 4: Simplify right side
   92,874.69x = 6,463,949,878.50
5. Step 5: Solve for x
   x = 6,463,949,878.50/92,874.69
6. Step 6: Final answer
   x = 69,598.62