Finding the Fourth Proportional to 147,797.18, 221,728.56 and 42,607.94

Step by Step Solution

1. Step 1: Write the proportion equation
   147,797.18 : 221,728.56 = 42,607.94 : x
2. Step 2: Convert to fraction form
   147,797.18/221,728.56 = 42,607.94/x
3. Step 3: Cross multiply
   147,797.18x = 221,728.56 × 42,607.94
4. Step 4: Simplify right side
   147,797.18x = 9,447,397,180.77
5. Step 5: Solve for x
   x = 9,447,397,180.77/147,797.18
6. Step 6: Final answer
   x = 63,921.36