Finding the Fourth Proportional to 769,934.28, 1,155,100.74 and 237,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   769,934.28 : 1,155,100.74 = 237,443.56 : x
2. Step 2: Convert to fraction form
   769,934.28/1,155,100.74 = 237,443.56/x
3. Step 3: Cross multiply
   769,934.28x = 1,155,100.74 × 237,443.56
4. Step 4: Simplify right side
   769,934.28x = 274,271,231,864.23
5. Step 5: Solve for x
   x = 274,271,231,864.23/769,934.28
6. Step 6: Final answer
   x = 356,226.81