Finding the Fourth Proportional to 3,171,228.24, 4,757,002.72 and 896,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,228.24 : 4,757,002.72 = 896,916.72 : x
2. Step 2: Convert to fraction form
   3,171,228.24/4,757,002.72 = 896,916.72/x
3. Step 3: Cross multiply
   3,171,228.24x = 4,757,002.72 × 896,916.72
4. Step 4: Simplify right side
   3,171,228.24x = 4,266,635,276,653.48
5. Step 5: Solve for x
   x = 4,266,635,276,653.48/3,171,228.24
6. Step 6: Final answer
   x = 1,345,420.43