Finding the Fourth Proportional to 1,281,969.89, 1,769,663.17 and 798,773.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,969.89 : 1,769,663.17 = 798,773.76 : x
2. Step 2: Convert to fraction form
   1,281,969.89/1,769,663.17 = 798,773.76/x
3. Step 3: Cross multiply
   1,281,969.89x = 1,769,663.17 × 798,773.76
4. Step 4: Simplify right side
   1,281,969.89x = 1,413,560,508,873.72
5. Step 5: Solve for x
   x = 1,413,560,508,873.72/1,281,969.89
6. Step 6: Final answer
   x = 1,102,647.20