Finding the Fourth Proportional to 505,086.30, 757,767.81 and 252,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   505,086.30 : 757,767.81 = 252,061.34 : x
2. Step 2: Convert to fraction form
   505,086.30/757,767.81 = 252,061.34/x
3. Step 3: Cross multiply
   505,086.30x = 757,767.81 × 252,061.34
4. Step 4: Simplify right side
   505,086.30x = 191,003,965,336.01
5. Step 5: Solve for x
   x = 191,003,965,336.01/505,086.30
6. Step 6: Final answer
   x = 378,161.05