Finding the Fourth Proportional to 1,085,698.32, 1,499,040.18 and 723,975

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,698.32 : 1,499,040.18 = 723,975 : x
2. Step 2: Convert to fraction form
   1,085,698.32/1,499,040.18 = 723,975/x
3. Step 3: Cross multiply
   1,085,698.32x = 1,499,040.18 × 723,975
4. Step 4: Simplify right side
   1,085,698.32x = 1,085,267,614,315.50
5. Step 5: Solve for x
   x = 1,085,267,614,315.50/1,085,698.32
6. Step 6: Final answer
   x = 999,603.29