Finding the Fourth Proportional to 1,105,488.36, 1,658,213.96 and 497,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,488.36 : 1,658,213.96 = 497,938.72 : x
2. Step 2: Convert to fraction form
   1,105,488.36/1,658,213.96 = 497,938.72/x
3. Step 3: Cross multiply
   1,105,488.36x = 1,658,213.96 × 497,938.72
4. Step 4: Simplify right side
   1,105,488.36x = 825,688,936,728.53
5. Step 5: Solve for x
   x = 825,688,936,728.53/1,105,488.36
6. Step 6: Final answer
   x = 746,899.71