Finding the Fourth Proportional to 318,568.82, 477,935.98 and 118,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   318,568.82 : 477,935.98 = 118,890.72 : x
2. Step 2: Convert to fraction form
   318,568.82/477,935.98 = 118,890.72/x
3. Step 3: Cross multiply
   318,568.82x = 477,935.98 × 118,890.72
4. Step 4: Simplify right side
   318,568.82x = 56,822,152,478.88
5. Step 5: Solve for x
   x = 56,822,152,478.88/318,568.82
6. Step 6: Final answer
   x = 178,366.96