Finding the Fourth Proportional to 1,105,728.86, 1,526,376.62 and 743,362.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,728.86 : 1,526,376.62 = 743,362.88 : x
2. Step 2: Convert to fraction form
   1,105,728.86/1,526,376.62 = 743,362.88/x
3. Step 3: Cross multiply
   1,105,728.86x = 1,526,376.62 × 743,362.88
4. Step 4: Simplify right side
   1,105,728.86x = 1,134,651,714,434.39
5. Step 5: Solve for x
   x = 1,134,651,714,434.39/1,105,728.86
6. Step 6: Final answer
   x = 1,026,157.27