Finding the Fourth Proportional to 1,561,189.47, 2,154,413.48 and 882,111.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,189.47 : 2,154,413.48 = 882,111.39 : x
2. Step 2: Convert to fraction form
   1,561,189.47/2,154,413.48 = 882,111.39/x
3. Step 3: Cross multiply
   1,561,189.47x = 2,154,413.48 × 882,111.39
4. Step 4: Simplify right side
   1,561,189.47x = 1,900,432,665,066.98
5. Step 5: Solve for x
   x = 1,900,432,665,066.98/1,561,189.47
6. Step 6: Final answer
   x = 1,217,297.90