Finding the Fourth Proportional to 328,498.50, 453,328.55 and 177,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,498.50 : 453,328.55 = 177,595.50 : x
2. Step 2: Convert to fraction form
   328,498.50/453,328.55 = 177,595.50/x
3. Step 3: Cross multiply
   328,498.50x = 453,328.55 × 177,595.50
4. Step 4: Simplify right side
   328,498.50x = 80,509,109,613.55
5. Step 5: Solve for x
   x = 80,509,109,613.55/328,498.50
6. Step 6: Final answer
   x = 245,082.12