Finding the Fourth Proportional to 147,980.28, 221,963.94 and 42,796.92

Step by Step Solution

1. Step 1: Write the proportion equation
   147,980.28 : 221,963.94 = 42,796.92 : x
2. Step 2: Convert to fraction form
   147,980.28/221,963.94 = 42,796.92/x
3. Step 3: Cross multiply
   147,980.28x = 221,963.94 × 42,796.92
4. Step 4: Simplify right side
   147,980.28x = 9,499,372,983.06
5. Step 5: Solve for x
   x = 9,499,372,983.06/147,980.28
6. Step 6: Final answer
   x = 64,193.51