Finding the Fourth Proportional to 1,105,980.39, 1,658,967.29 and 498,056.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,980.39 : 1,658,967.29 = 498,056.96 : x
2. Step 2: Convert to fraction form
   1,105,980.39/1,658,967.29 = 498,056.96/x
3. Step 3: Cross multiply
   1,105,980.39x = 1,658,967.29 × 498,056.96
4. Step 4: Simplify right side
   1,105,980.39x = 826,260,208,721.69
5. Step 5: Solve for x
   x = 826,260,208,721.69/1,105,980.39
6. Step 6: Final answer
   x = 747,083.96