Finding the Fourth Proportional to 328,965.58, 493,050.72 and 160,233.10

Step by Step Solution

1. Step 1: Write the proportion equation
   328,965.58 : 493,050.72 = 160,233.10 : x
2. Step 2: Convert to fraction form
   328,965.58/493,050.72 = 160,233.10/x
3. Step 3: Cross multiply
   328,965.58x = 493,050.72 × 160,233.10
4. Step 4: Simplify right side
   328,965.58x = 79,003,045,322.83
5. Step 5: Solve for x
   x = 79,003,045,322.83/328,965.58
6. Step 6: Final answer
   x = 240,155.96