Finding the Fourth Proportional to 328,832.10, 493,766.55 and 188,864.10

Step by Step Solution

1. Step 1: Write the proportion equation
   328,832.10 : 493,766.55 = 188,864.10 : x
2. Step 2: Convert to fraction form
   328,832.10/493,766.55 = 188,864.10/x
3. Step 3: Cross multiply
   328,832.10x = 493,766.55 × 188,864.10
4. Step 4: Simplify right side
   328,832.10x = 93,254,775,075.86
5. Step 5: Solve for x
   x = 93,254,775,075.86/328,832.10
6. Step 6: Final answer
   x = 283,593.89