Finding the Fourth Proportional to 908,034.83, 1,253,096.56 and 500,138.16

Step by Step Solution

1. Step 1: Write the proportion equation
   908,034.83 : 1,253,096.56 = 500,138.16 : x
2. Step 2: Convert to fraction form
   908,034.83/1,253,096.56 = 500,138.16/x
3. Step 3: Cross multiply
   908,034.83x = 1,253,096.56 × 500,138.16
4. Step 4: Simplify right side
   908,034.83x = 626,721,401,871.27
5. Step 5: Solve for x
   x = 626,721,401,871.27/908,034.83
6. Step 6: Final answer
   x = 690,195.33