Finding the Fourth Proportional to 1,105,490.36, 1,658,216.96 and 497,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,490.36 : 1,658,216.96 = 497,940.72 : x
2. Step 2: Convert to fraction form
   1,105,490.36/1,658,216.96 = 497,940.72/x
3. Step 3: Cross multiply
   1,105,490.36x = 1,658,216.96 × 497,940.72
4. Step 4: Simplify right side
   1,105,490.36x = 825,693,746,978.61
5. Step 5: Solve for x
   x = 825,693,746,978.61/1,105,490.36
6. Step 6: Final answer
   x = 746,902.71