Finding the Fourth Proportional to 1,185,127.52, 1,635,463.69 and 641,251.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,127.52 : 1,635,463.69 = 641,251.29 : x
2. Step 2: Convert to fraction form
   1,185,127.52/1,635,463.69 = 641,251.29/x
3. Step 3: Cross multiply
   1,185,127.52x = 1,635,463.69 × 641,251.29
4. Step 4: Simplify right side
   1,185,127.52x = 1,048,743,205,490.52
5. Step 5: Solve for x
   x = 1,048,743,205,490.52/1,185,127.52
6. Step 6: Final answer
   x = 884,920.14