Finding the Fourth Proportional to 479,066.15, 661,082.74 and 275,150.27

Step by Step Solution

1. Step 1: Write the proportion equation
   479,066.15 : 661,082.74 = 275,150.27 : x
2. Step 2: Convert to fraction form
   479,066.15/661,082.74 = 275,150.27/x
3. Step 3: Cross multiply
   479,066.15x = 661,082.74 × 275,150.27
4. Step 4: Simplify right side
   479,066.15x = 181,897,094,403.34
5. Step 5: Solve for x
   x = 181,897,094,403.34/479,066.15
6. Step 6: Final answer
   x = 379,690.98