Finding the Fourth Proportional to 1,171,506.69, 1,757,298.31 and 402,996.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,506.69 : 1,757,298.31 = 402,996.49 : x
2. Step 2: Convert to fraction form
   1,171,506.69/1,757,298.31 = 402,996.49/x
3. Step 3: Cross multiply
   1,171,506.69x = 1,757,298.31 × 402,996.49
4. Step 4: Simplify right side
   1,171,506.69x = 708,185,040,011.46
5. Step 5: Solve for x
   x = 708,185,040,011.46/1,171,506.69
6. Step 6: Final answer
   x = 604,507.89