Finding the Fourth Proportional to 114,738.86, 172,115.89 and 30,497.85

Step by Step Solution

1. Step 1: Write the proportion equation
   114,738.86 : 172,115.89 = 30,497.85 : x
2. Step 2: Convert to fraction form
   114,738.86/172,115.89 = 30,497.85/x
3. Step 3: Cross multiply
   114,738.86x = 172,115.89 × 30,497.85
4. Step 4: Simplify right side
   114,738.86x = 5,249,164,519.59
5. Step 5: Solve for x
   x = 5,249,164,519.59/114,738.86
6. Step 6: Final answer
   x = 45,748.79