Finding the Fourth Proportional to 1,191,326.28, 1,644,042.96 and 647,462.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,326.28 : 1,644,042.96 = 647,462.10 : x
2. Step 2: Convert to fraction form
   1,191,326.28/1,644,042.96 = 647,462.10/x
3. Step 3: Cross multiply
   1,191,326.28x = 1,644,042.96 × 647,462.10
4. Step 4: Simplify right side
   1,191,326.28x = 1,064,455,507,371.82
5. Step 5: Solve for x
   x = 1,064,455,507,371.82/1,191,326.28
6. Step 6: Final answer
   x = 893,504.60