Finding the Fourth Proportional to 110,500.82, 152,509.62 and 65,190.05

Step by Step Solution

1. Step 1: Write the proportion equation
   110,500.82 : 152,509.62 = 65,190.05 : x
2. Step 2: Convert to fraction form
   110,500.82/152,509.62 = 65,190.05/x
3. Step 3: Cross multiply
   110,500.82x = 152,509.62 × 65,190.05
4. Step 4: Simplify right side
   110,500.82x = 9,942,108,990.73
5. Step 5: Solve for x
   x = 9,942,108,990.73/110,500.82
6. Step 6: Final answer
   x = 89,973.17