Finding the Fourth Proportional to 735,086.72, 1,014,529.38 and 448,772.78

Step by Step Solution

1. Step 1: Write the proportion equation
   735,086.72 : 1,014,529.38 = 448,772.78 : x
2. Step 2: Convert to fraction form
   735,086.72/1,014,529.38 = 448,772.78/x
3. Step 3: Cross multiply
   735,086.72x = 1,014,529.38 × 448,772.78
4. Step 4: Simplify right side
   735,086.72x = 455,293,170,254.28
5. Step 5: Solve for x
   x = 455,293,170,254.28/735,086.72
6. Step 6: Final answer
   x = 619,373.41