Finding the Fourth Proportional to 704,667.98, 972,463.40 and 414,226.30

Step by Step Solution

1. Step 1: Write the proportion equation
   704,667.98 : 972,463.40 = 414,226.30 : x
2. Step 2: Convert to fraction form
   704,667.98/972,463.40 = 414,226.30/x
3. Step 3: Cross multiply
   704,667.98x = 972,463.40 × 414,226.30
4. Step 4: Simplify right side
   704,667.98x = 402,819,914,671.83
5. Step 5: Solve for x
   x = 402,819,914,671.83/704,667.98
6. Step 6: Final answer
   x = 571,644.98