Finding the Fourth Proportional to 1,267,022.50, 1,747,089.94 and 807,409

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,022.50 : 1,747,089.94 = 807,409 : x
2. Step 2: Convert to fraction form
   1,267,022.50/1,747,089.94 = 807,409/x
3. Step 3: Cross multiply
   1,267,022.50x = 1,747,089.94 × 807,409
4. Step 4: Simplify right side
   1,267,022.50x = 1,410,616,141,365.46
5. Step 5: Solve for x
   x = 1,410,616,141,365.46/1,267,022.50
6. Step 6: Final answer
   x = 1,113,331.56