Finding the Fourth Proportional to 1,185,362.52, 1,635,800.44 and 641,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,362.52 : 1,635,800.44 = 641,498.48 : x
2. Step 2: Convert to fraction form
   1,185,362.52/1,635,800.44 = 641,498.48/x
3. Step 3: Cross multiply
   1,185,362.52x = 1,635,800.44 × 641,498.48
4. Step 4: Simplify right side
   1,185,362.52x = 1,049,363,495,843.33
5. Step 5: Solve for x
   x = 1,049,363,495,843.33/1,185,362.52
6. Step 6: Final answer
   x = 885,267.99