Finding the Fourth Proportional to 1,267,020.50, 1,747,087.18 and 807,407.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,020.50 : 1,747,087.18 = 807,407.00 : x
2. Step 2: Convert to fraction form
   1,267,020.50/1,747,087.18 = 807,407.00/x
3. Step 3: Cross multiply
   1,267,020.50x = 1,747,087.18 × 807,407.00
4. Step 4: Simplify right side
   1,267,020.50x = 1,410,610,424,367.25
5. Step 5: Solve for x
   x = 1,410,610,424,367.25/1,267,020.50
6. Step 6: Final answer
   x = 1,113,328.81