Finding the Fourth Proportional to 656,085.96, 905,401.80 and 369,610.56

Step by Step Solution

1. Step 1: Write the proportion equation
   656,085.96 : 905,401.80 = 369,610.56 : x
2. Step 2: Convert to fraction form
   656,085.96/905,401.80 = 369,610.56/x
3. Step 3: Cross multiply
   656,085.96x = 905,401.80 × 369,610.56
4. Step 4: Simplify right side
   656,085.96x = 334,646,066,323.01
5. Step 5: Solve for x
   x = 334,646,066,323.01/656,085.96
6. Step 6: Final answer
   x = 510,064.36