Finding the Fourth Proportional to 58,398.72, 80,601.96 and 38,220.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,398.72 : 80,601.96 = 38,220.72 : x
2. Step 2: Convert to fraction form
   58,398.72/80,601.96 = 38,220.72/x
3. Step 3: Cross multiply
   58,398.72x = 80,601.96 × 38,220.72
4. Step 4: Simplify right side
   58,398.72x = 3,080,664,944.61
5. Step 5: Solve for x
   x = 3,080,664,944.61/58,398.72
6. Step 6: Final answer
   x = 52,752.27