Finding the Fourth Proportional to 834,942.32, 1,152,144.24 and 472,399.28

Step by Step Solution

1. Step 1: Write the proportion equation
   834,942.32 : 1,152,144.24 = 472,399.28 : x
2. Step 2: Convert to fraction form
   834,942.32/1,152,144.24 = 472,399.28/x
3. Step 3: Cross multiply
   834,942.32x = 1,152,144.24 × 472,399.28
4. Step 4: Simplify right side
   834,942.32x = 544,272,109,432.15
5. Step 5: Solve for x
   x = 544,272,109,432.15/834,942.32
6. Step 6: Final answer
   x = 651,867.92