Finding the Fourth Proportional to 1,062,666.69, 1,593,056.28 and 414,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,666.69 : 1,593,056.28 = 414,092.72 : x
2. Step 2: Convert to fraction form
   1,062,666.69/1,593,056.28 = 414,092.72/x
3. Step 3: Cross multiply
   1,062,666.69x = 1,593,056.28 × 414,092.72
4. Step 4: Simplify right side
   1,062,666.69x = 659,673,011,304.50
5. Step 5: Solve for x
   x = 659,673,011,304.50/1,062,666.69
6. Step 6: Final answer
   x = 620,771.32