Finding the Fourth Proportional to 147,593.10, 221,365.89 and 42,388.14

Step by Step Solution

1. Step 1: Write the proportion equation
   147,593.10 : 221,365.89 = 42,388.14 : x
2. Step 2: Convert to fraction form
   147,593.10/221,365.89 = 42,388.14/x
3. Step 3: Cross multiply
   147,593.10x = 221,365.89 × 42,388.14
4. Step 4: Simplify right side
   147,593.10x = 9,383,288,336.54
5. Step 5: Solve for x
   x = 9,383,288,336.54/147,593.10
6. Step 6: Final answer
   x = 63,575.39