Finding the Fourth Proportional to 734,908.72, 1,014,139.76 and 408,242.91

Step by Step Solution

1. Step 1: Write the proportion equation
   734,908.72 : 1,014,139.76 = 408,242.91 : x
2. Step 2: Convert to fraction form
   734,908.72/1,014,139.76 = 408,242.91/x
3. Step 3: Cross multiply
   734,908.72x = 1,014,139.76 × 408,242.91
4. Step 4: Simplify right side
   734,908.72x = 414,015,366,769.10
5. Step 5: Solve for x
   x = 414,015,366,769.10/734,908.72
6. Step 6: Final answer
   x = 563,356.18