Finding the Fourth Proportional to 147,788.01, 221,769.50 and 54,359.37

Step by Step Solution

1. Step 1: Write the proportion equation
   147,788.01 : 221,769.50 = 54,359.37 : x
2. Step 2: Convert to fraction form
   147,788.01/221,769.50 = 54,359.37/x
3. Step 3: Cross multiply
   147,788.01x = 221,769.50 × 54,359.37
4. Step 4: Simplify right side
   147,788.01x = 12,055,250,033.42
5. Step 5: Solve for x
   x = 12,055,250,033.42/147,788.01
6. Step 6: Final answer
   x = 81,571.23