Finding the Fourth Proportional to 923,111.20, 1,274,568.56 and 596,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   923,111.20 : 1,274,568.56 = 596,617.50 : x
2. Step 2: Convert to fraction form
   923,111.20/1,274,568.56 = 596,617.50/x
3. Step 3: Cross multiply
   923,111.20x = 1,274,568.56 × 596,617.50
4. Step 4: Simplify right side
   923,111.20x = 760,429,907,845.80
5. Step 5: Solve for x
   x = 760,429,907,845.80/923,111.20
6. Step 6: Final answer
   x = 823,768.48