Finding the Fourth Proportional to 502,743.10, 693,789.98 and 273,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   502,743.10 : 693,789.98 = 273,300.82 : x
2. Step 2: Convert to fraction form
   502,743.10/693,789.98 = 273,300.82/x
3. Step 3: Cross multiply
   502,743.10x = 693,789.98 × 273,300.82
4. Step 4: Simplify right side
   502,743.10x = 189,613,370,441.78
5. Step 5: Solve for x
   x = 189,613,370,441.78/502,743.10
6. Step 6: Final answer
   x = 377,157.58