Finding the Fourth Proportional to 147,327.72, 221,005.83 and 58,561.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,327.72 : 221,005.83 = 58,561.31 : x
2. Step 2: Convert to fraction form
   147,327.72/221,005.83 = 58,561.31/x
3. Step 3: Cross multiply
   147,327.72x = 221,005.83 × 58,561.31
4. Step 4: Simplify right side
   147,327.72x = 12,942,389,524.60
5. Step 5: Solve for x
   x = 12,942,389,524.60/147,327.72
6. Step 6: Final answer
   x = 87,847.62