Finding the Fourth Proportional to 2,177,978.32, 3,267,123 and 580,533.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,978.32 : 3,267,123 = 580,533.04 : x
2. Step 2: Convert to fraction form
   2,177,978.32/3,267,123 = 580,533.04/x
3. Step 3: Cross multiply
   2,177,978.32x = 3,267,123 × 580,533.04
4. Step 4: Simplify right side
   2,177,978.32x = 1,896,672,847,243.92
5. Step 5: Solve for x
   x = 1,896,672,847,243.92/2,177,978.32
6. Step 6: Final answer
   x = 870,841.01