Finding the Fourth Proportional to 118,890.86, 178,336.98 and 30,144.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,890.86 : 178,336.98 = 30,144.56 : x
2. Step 2: Convert to fraction form
   118,890.86/178,336.98 = 30,144.56/x
3. Step 3: Cross multiply
   118,890.86x = 178,336.98 × 30,144.56
4. Step 4: Simplify right side
   118,890.86x = 5,375,889,793.83
5. Step 5: Solve for x
   x = 5,375,889,793.83/118,890.86
6. Step 6: Final answer
   x = 45,217.01