Finding the Fourth Proportional to 165,997.56, 248,914.42 and 72,462.84

Step by Step Solution

1. Step 1: Write the proportion equation
   165,997.56 : 248,914.42 = 72,462.84 : x
2. Step 2: Convert to fraction form
   165,997.56/248,914.42 = 72,462.84/x
3. Step 3: Cross multiply
   165,997.56x = 248,914.42 × 72,462.84
4. Step 4: Simplify right side
   165,997.56x = 18,037,045,790.15
5. Step 5: Solve for x
   x = 18,037,045,790.15/165,997.56
6. Step 6: Final answer
   x = 108,658.50