Finding the Fourth Proportional to 819,735.27, 1,221,453.89 and 730,301.55

Step by Step Solution

1. Step 1: Write the proportion equation
   819,735.27 : 1,221,453.89 = 730,301.55 : x
2. Step 2: Convert to fraction form
   819,735.27/1,221,453.89 = 730,301.55/x
3. Step 3: Cross multiply
   819,735.27x = 1,221,453.89 × 730,301.55
4. Step 4: Simplify right side
   819,735.27x = 892,029,665,469.02
5. Step 5: Solve for x
   x = 892,029,665,469.02/819,735.27
6. Step 6: Final answer
   x = 1,088,192.37