Finding the Fourth Proportional to 328,680.72, 493,094.88 and 104,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   328,680.72 : 493,094.88 = 104,054.52 : x
2. Step 2: Convert to fraction form
   328,680.72/493,094.88 = 104,054.52/x
3. Step 3: Cross multiply
   328,680.72x = 493,094.88 × 104,054.52
4. Step 4: Simplify right side
   328,680.72x = 51,308,751,052.86
5. Step 5: Solve for x
   x = 51,308,751,052.86/328,680.72
6. Step 6: Final answer
   x = 156,105.14