Finding the Fourth Proportional to 1,185,363.52, 1,635,801.82 and 641,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,363.52 : 1,635,801.82 = 641,499.48 : x
2. Step 2: Convert to fraction form
   1,185,363.52/1,635,801.82 = 641,499.48/x
3. Step 3: Cross multiply
   1,185,363.52x = 1,635,801.82 × 641,499.48
4. Step 4: Simplify right side
   1,185,363.52x = 1,049,366,016,913.05
5. Step 5: Solve for x
   x = 1,049,366,016,913.05/1,185,363.52
6. Step 6: Final answer
   x = 885,269.37