Finding the Fourth Proportional to 146,311.33, 219,559.25 and 57,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   146,311.33 : 219,559.25 = 57,553.30 : x
2. Step 2: Convert to fraction form
   146,311.33/219,559.25 = 57,553.30/x
3. Step 3: Cross multiply
   146,311.33x = 219,559.25 × 57,553.30
4. Step 4: Simplify right side
   146,311.33x = 12,636,357,997.46
5. Step 5: Solve for x
   x = 12,636,357,997.46/146,311.33
6. Step 6: Final answer
   x = 86,366.23