Finding the Fourth Proportional to 2,097,413.76, 3,146,188.28 and 581,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097,413.76 : 3,146,188.28 = 581,111.31 : x
2. Step 2: Convert to fraction form
   2,097,413.76/3,146,188.28 = 581,111.31/x
3. Step 3: Cross multiply
   2,097,413.76x = 3,146,188.28 × 581,111.31
4. Step 4: Simplify right side
   2,097,413.76x = 1,828,285,592,897.45
5. Step 5: Solve for x
   x = 1,828,285,592,897.45/2,097,413.76
6. Step 6: Final answer
   x = 871,685.71