Finding the Fourth Proportional to 1,424,043.72, 1,964,791.71 and 811,973.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,043.72 : 1,964,791.71 = 811,973.30 : x
2. Step 2: Convert to fraction form
   1,424,043.72/1,964,791.71 = 811,973.30/x
3. Step 3: Cross multiply
   1,424,043.72x = 1,964,791.71 × 811,973.30
4. Step 4: Simplify right side
   1,424,043.72x = 1,595,358,398,757.38
5. Step 5: Solve for x
   x = 1,595,358,398,757.38/1,424,043.72
6. Step 6: Final answer
   x = 1,120,301.56