Finding the Fourth Proportional to 72,076.56, 99,455.22 and 43,776.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,076.56 : 99,455.22 = 43,776.78 : x
2. Step 2: Convert to fraction form
   72,076.56/99,455.22 = 43,776.78/x
3. Step 3: Cross multiply
   72,076.56x = 99,455.22 × 43,776.78
4. Step 4: Simplify right side
   72,076.56x = 4,353,829,285.79
5. Step 5: Solve for x
   x = 4,353,829,285.79/72,076.56
6. Step 6: Final answer
   x = 60,405.62