Finding the Fourth Proportional to 1,083,146.72, 1,494,758.28 and 624,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,146.72 : 1,494,758.28 = 624,008 : x
2. Step 2: Convert to fraction form
   1,083,146.72/1,494,758.28 = 624,008/x
3. Step 3: Cross multiply
   1,083,146.72x = 1,494,758.28 × 624,008
4. Step 4: Simplify right side
   1,083,146.72x = 932,741,124,786.24
5. Step 5: Solve for x
   x = 932,741,124,786.24/1,083,146.72
6. Step 6: Final answer
   x = 861,140.15