Finding the Fourth Proportional to 146,014.83, 218,938.41 and 57,164.31

Step by Step Solution

1. Step 1: Write the proportion equation
   146,014.83 : 218,938.41 = 57,164.31 : x
2. Step 2: Convert to fraction form
   146,014.83/218,938.41 = 57,164.31/x
3. Step 3: Cross multiply
   146,014.83x = 218,938.41 × 57,164.31
4. Step 4: Simplify right side
   146,014.83x = 12,515,463,140.15
5. Step 5: Solve for x
   x = 12,515,463,140.15/146,014.83
6. Step 6: Final answer
   x = 85,713.64