Finding the Fourth Proportional to 93,443.72, 140,167.02 and 31,114.28

Step by Step Solution

1. Step 1: Write the proportion equation
   93,443.72 : 140,167.02 = 31,114.28 : x
2. Step 2: Convert to fraction form
   93,443.72/140,167.02 = 31,114.28/x
3. Step 3: Cross multiply
   93,443.72x = 140,167.02 × 31,114.28
4. Step 4: Simplify right side
   93,443.72x = 4,361,195,907.05
5. Step 5: Solve for x
   x = 4,361,195,907.05/93,443.72
6. Step 6: Final answer
   x = 46,671.90