Finding the Fourth Proportional to 734,016.63, 1,012,940.89 and 407,378.96

Step by Step Solution

1. Step 1: Write the proportion equation
   734,016.63 : 1,012,940.89 = 407,378.96 : x
2. Step 2: Convert to fraction form
   734,016.63/1,012,940.89 = 407,378.96/x
3. Step 3: Cross multiply
   734,016.63x = 1,012,940.89 × 407,378.96
4. Step 4: Simplify right side
   734,016.63x = 412,650,804,025.05
5. Step 5: Solve for x
   x = 412,650,804,025.05/734,016.63
6. Step 6: Final answer
   x = 562,181.82