Finding the Fourth Proportional to 320,308.61, 480,562.86 and 95,677.91

Step by Step Solution

1. Step 1: Write the proportion equation
   320,308.61 : 480,562.86 = 95,677.91 : x
2. Step 2: Convert to fraction form
   320,308.61/480,562.86 = 95,677.91/x
3. Step 3: Cross multiply
   320,308.61x = 480,562.86 × 95,677.91
4. Step 4: Simplify right side
   320,308.61x = 45,979,247,665.61
5. Step 5: Solve for x
   x = 45,979,247,665.61/320,308.61
6. Step 6: Final answer
   x = 143,546.71