Finding the Fourth Proportional to 179,019.18, 268,499.61 and 60,687.90

Step by Step Solution

1. Step 1: Write the proportion equation
   179,019.18 : 268,499.61 = 60,687.90 : x
2. Step 2: Convert to fraction form
   179,019.18/268,499.61 = 60,687.90/x
3. Step 3: Cross multiply
   179,019.18x = 268,499.61 × 60,687.90
4. Step 4: Simplify right side
   179,019.18x = 16,294,677,481.72
5. Step 5: Solve for x
   x = 16,294,677,481.72/179,019.18
6. Step 6: Final answer
   x = 91,021.96