Finding the Fourth Proportional to 147,404.54, 221,068.56 and 42,198.96

Step by Step Solution

1. Step 1: Write the proportion equation
   147,404.54 : 221,068.56 = 42,198.96 : x
2. Step 2: Convert to fraction form
   147,404.54/221,068.56 = 42,198.96/x
3. Step 3: Cross multiply
   147,404.54x = 221,068.56 × 42,198.96
4. Step 4: Simplify right side
   147,404.54x = 9,328,863,320.70
5. Step 5: Solve for x
   x = 9,328,863,320.70/147,404.54
6. Step 6: Final answer
   x = 63,287.49