Finding the Fourth Proportional to 501,300.42, 691,707.87 and 283,409.52

Step by Step Solution

1. Step 1: Write the proportion equation
   501,300.42 : 691,707.87 = 283,409.52 : x
2. Step 2: Convert to fraction form
   501,300.42/691,707.87 = 283,409.52/x
3. Step 3: Cross multiply
   501,300.42x = 691,707.87 × 283,409.52
4. Step 4: Simplify right side
   501,300.42x = 196,036,595,416.92
5. Step 5: Solve for x
   x = 196,036,595,416.92/501,300.42
6. Step 6: Final answer
   x = 391,056.12