Finding the Fourth Proportional to 1,108,991.25, 1,530,411.57 and 599,697.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,991.25 : 1,530,411.57 = 599,697.27 : x
2. Step 2: Convert to fraction form
   1,108,991.25/1,530,411.57 = 599,697.27/x
3. Step 3: Cross multiply
   1,108,991.25x = 1,530,411.57 × 599,697.27
4. Step 4: Simplify right side
   1,108,991.25x = 917,783,640,505.41
5. Step 5: Solve for x
   x = 917,783,640,505.41/1,108,991.25
6. Step 6: Final answer
   x = 827,584.20