Finding the Fourth Proportional to 114,621.76, 171,924.48 and 30,380.05

Step by Step Solution

1. Step 1: Write the proportion equation
   114,621.76 : 171,924.48 = 30,380.05 : x
2. Step 2: Convert to fraction form
   114,621.76/171,924.48 = 30,380.05/x
3. Step 3: Cross multiply
   114,621.76x = 171,924.48 × 30,380.05
4. Step 4: Simplify right side
   114,621.76x = 5,223,073,439.00
5. Step 5: Solve for x
   x = 5,223,073,439.00/114,621.76
6. Step 6: Final answer
   x = 45,567.91