Finding the Fourth Proportional to 1,191,792.44, 1,644,706.01 and 647,964.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,792.44 : 1,644,706.01 = 647,964.82 : x
2. Step 2: Convert to fraction form
   1,191,792.44/1,644,706.01 = 647,964.82/x
3. Step 3: Cross multiply
   1,191,792.44x = 1,644,706.01 × 647,964.82
4. Step 4: Simplify right side
   1,191,792.44x = 1,065,711,628,146.89
5. Step 5: Solve for x
   x = 1,065,711,628,146.89/1,191,792.44
6. Step 6: Final answer
   x = 894,209.09