Finding the Fourth Proportional to 147,018.79, 220,601.06 and 58,270.33

Step by Step Solution

1. Step 1: Write the proportion equation
   147,018.79 : 220,601.06 = 58,270.33 : x
2. Step 2: Convert to fraction form
   147,018.79/220,601.06 = 58,270.33/x
3. Step 3: Cross multiply
   147,018.79x = 220,601.06 × 58,270.33
4. Step 4: Simplify right side
   147,018.79x = 12,854,496,564.55
5. Step 5: Solve for x
   x = 12,854,496,564.55/147,018.79
6. Step 6: Final answer
   x = 87,434.38