Finding the Fourth Proportional to 110,176.98, 165,265.52 and 72,728.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,176.98 : 165,265.52 = 72,728.30 : x
2. Step 2: Convert to fraction form
   110,176.98/165,265.52 = 72,728.30/x
3. Step 3: Cross multiply
   110,176.98x = 165,265.52 × 72,728.30
4. Step 4: Simplify right side
   110,176.98x = 12,019,479,491.89
5. Step 5: Solve for x
   x = 12,019,479,491.89/110,176.98
6. Step 6: Final answer
   x = 109,092.48