Finding the Fourth Proportional to 1,108,448.52, 1,529,768.52 and 672,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,448.52 : 1,529,768.52 = 672,831.42 : x
2. Step 2: Convert to fraction form
   1,108,448.52/1,529,768.52 = 672,831.42/x
3. Step 3: Cross multiply
   1,108,448.52x = 1,529,768.52 × 672,831.42
4. Step 4: Simplify right side
   1,108,448.52x = 1,029,276,325,582.90
5. Step 5: Solve for x
   x = 1,029,276,325,582.90/1,108,448.52
6. Step 6: Final answer
   x = 928,573.86