Finding the Fourth Proportional to 734,648.19, 1,013,780.37 and 407,981.94

Step by Step Solution

1. Step 1: Write the proportion equation
   734,648.19 : 1,013,780.37 = 407,981.94 : x
2. Step 2: Convert to fraction form
   734,648.19/1,013,780.37 = 407,981.94/x
3. Step 3: Cross multiply
   734,648.19x = 1,013,780.37 × 407,981.94
4. Step 4: Simplify right side
   734,648.19x = 413,604,082,086.52
5. Step 5: Solve for x
   x = 413,604,082,086.52/734,648.19
6. Step 6: Final answer
   x = 562,996.12