Finding the Fourth Proportional to 1,776,499.32, 2,664,470.73 and 578,413.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,499.32 : 2,664,470.73 = 578,413.54 : x
2. Step 2: Convert to fraction form
   1,776,499.32/2,664,470.73 = 578,413.54/x
3. Step 3: Cross multiply
   1,776,499.32x = 2,664,470.73 × 578,413.54
4. Step 4: Simplify right side
   1,776,499.32x = 1,541,165,952,665.32
5. Step 5: Solve for x
   x = 1,541,165,952,665.32/1,776,499.32
6. Step 6: Final answer
   x = 867,529.72