Finding the Fourth Proportional to 147,739.86, 221,610.06 and 42,567.30

Step by Step Solution

1. Step 1: Write the proportion equation
   147,739.86 : 221,610.06 = 42,567.30 : x
2. Step 2: Convert to fraction form
   147,739.86/221,610.06 = 42,567.30/x
3. Step 3: Cross multiply
   147,739.86x = 221,610.06 × 42,567.30
4. Step 4: Simplify right side
   147,739.86x = 9,433,341,907.04
5. Step 5: Solve for x
   x = 9,433,341,907.04/147,739.86
6. Step 6: Final answer
   x = 63,851.03