Finding the Fourth Proportional to 3,817,445.92, 5,725,736.16 and 977,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,445.92 : 5,725,736.16 = 977,578.72 : x
2. Step 2: Convert to fraction form
   3,817,445.92/5,725,736.16 = 977,578.72/x
3. Step 3: Cross multiply
   3,817,445.92x = 5,725,736.16 × 977,578.72
4. Step 4: Simplify right side
   3,817,445.92x = 5,597,357,826,350.52
5. Step 5: Solve for x
   x = 5,597,357,826,350.52/3,817,445.92
6. Step 6: Final answer
   x = 1,466,257.27