Finding the Fourth Proportional to 1,185,267.25, 1,635,668.81 and 648,723.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,267.25 : 1,635,668.81 = 648,723.25 : x
2. Step 2: Convert to fraction form
   1,185,267.25/1,635,668.81 = 648,723.25/x
3. Step 3: Cross multiply
   1,185,267.25x = 1,635,668.81 × 648,723.25
4. Step 4: Simplify right side
   1,185,267.25x = 1,061,096,386,346.83
5. Step 5: Solve for x
   x = 1,061,096,386,346.83/1,185,267.25
6. Step 6: Final answer
   x = 895,238.09