Finding the Fourth Proportional to 1,456,047.89, 2,009,347.67 and 811,453.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,047.89 : 2,009,347.67 = 811,453.49 : x
2. Step 2: Convert to fraction form
   1,456,047.89/2,009,347.67 = 811,453.49/x
3. Step 3: Cross multiply
   1,456,047.89x = 2,009,347.67 × 811,453.49
4. Step 4: Simplify right side
   1,456,047.89x = 1,630,492,175,387.60
5. Step 5: Solve for x
   x = 1,630,492,175,387.60/1,456,047.89
6. Step 6: Final answer
   x = 1,119,806.69