Finding the Fourth Proportional to 147,196.75, 220,797.30 and 42,015.79

Step by Step Solution

1. Step 1: Write the proportion equation
   147,196.75 : 220,797.30 = 42,015.79 : x
2. Step 2: Convert to fraction form
   147,196.75/220,797.30 = 42,015.79/x
3. Step 3: Cross multiply
   147,196.75x = 220,797.30 × 42,015.79
4. Step 4: Simplify right side
   147,196.75x = 9,276,972,989.37
5. Step 5: Solve for x
   x = 9,276,972,989.37/147,196.75
6. Step 6: Final answer
   x = 63,024.31