Finding the Fourth Proportional to 1,085,701.32, 1,499,044.32 and 723,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,701.32 : 1,499,044.32 = 723,978 : x
2. Step 2: Convert to fraction form
   1,085,701.32/1,499,044.32 = 723,978/x
3. Step 3: Cross multiply
   1,085,701.32x = 1,499,044.32 × 723,978
4. Step 4: Simplify right side
   1,085,701.32x = 1,085,275,108,704.96
5. Step 5: Solve for x
   x = 1,085,275,108,704.96/1,085,701.32
6. Step 6: Final answer
   x = 999,607.43