Finding the Fourth Proportional to 1,185,267.75, 1,635,669.50 and 648,723.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,267.75 : 1,635,669.50 = 648,723.75 : x
2. Step 2: Convert to fraction form
   1,185,267.75/1,635,669.50 = 648,723.75/x
3. Step 3: Cross multiply
   1,185,267.75x = 1,635,669.50 × 648,723.75
4. Step 4: Simplify right side
   1,185,267.75x = 1,061,097,648,557.01
5. Step 5: Solve for x
   x = 1,061,097,648,557.01/1,185,267.75
6. Step 6: Final answer
   x = 895,238.78