Finding the Fourth Proportional to 147,697.84, 221,556.48 and 42,517.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,697.84 : 221,556.48 = 42,517.72 : x
2. Step 2: Convert to fraction form
   147,697.84/221,556.48 = 42,517.72/x
3. Step 3: Cross multiply
   147,697.84x = 221,556.48 × 42,517.72
4. Step 4: Simplify right side
   147,697.84x = 9,420,076,380.83
5. Step 5: Solve for x
   x = 9,420,076,380.83/147,697.84
6. Step 6: Final answer
   x = 63,779.38