Finding the Fourth Proportional to 1,561,189.72, 2,154,413.73 and 882,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,189.72 : 2,154,413.73 = 882,111.64 : x
2. Step 2: Convert to fraction form
   1,561,189.72/2,154,413.73 = 882,111.64/x
3. Step 3: Cross multiply
   1,561,189.72x = 2,154,413.73 × 882,111.64
4. Step 4: Simplify right side
   1,561,189.72x = 1,900,433,428,608.82
5. Step 5: Solve for x
   x = 1,900,433,428,608.82/1,561,189.72
6. Step 6: Final answer
   x = 1,217,298.20