Finding the Fourth Proportional to 836,870.22, 1,154,885 and 454,897

Step by Step Solution

1. Step 1: Write the proportion equation
   836,870.22 : 1,154,885 = 454,897 : x
2. Step 2: Convert to fraction form
   836,870.22/1,154,885 = 454,897/x
3. Step 3: Cross multiply
   836,870.22x = 1,154,885 × 454,897
4. Step 4: Simplify right side
   836,870.22x = 525,353,721,845
5. Step 5: Solve for x
   x = 525,353,721,845/836,870.22
6. Step 6: Final answer
   x = 627,760.09