Finding the Fourth Proportional to 146,019.52, 219,052.94 and 57,224.88

Step by Step Solution

1. Step 1: Write the proportion equation
   146,019.52 : 219,052.94 = 57,224.88 : x
2. Step 2: Convert to fraction form
   146,019.52/219,052.94 = 57,224.88/x
3. Step 3: Cross multiply
   146,019.52x = 219,052.94 × 57,224.88
4. Step 4: Simplify right side
   146,019.52x = 12,535,278,205.15
5. Step 5: Solve for x
   x = 12,535,278,205.15/146,019.52
6. Step 6: Final answer
   x = 85,846.59