Finding the Fourth Proportional to 729,461.49, 1,093,443.99 and 280,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   729,461.49 : 1,093,443.99 = 280,061.34 : x
2. Step 2: Convert to fraction form
   729,461.49/1,093,443.99 = 280,061.34/x
3. Step 3: Cross multiply
   729,461.49x = 1,093,443.99 × 280,061.34
4. Step 4: Simplify right side
   729,461.49x = 306,231,389,054.35
5. Step 5: Solve for x
   x = 306,231,389,054.35/729,461.49
6. Step 6: Final answer
   x = 419,804.74