Finding the Fourth Proportional to 1,093,369.59, 1,509,016.23 and 663,566.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,369.59 : 1,509,016.23 = 663,566.58 : x
2. Step 2: Convert to fraction form
   1,093,369.59/1,509,016.23 = 663,566.58/x
3. Step 3: Cross multiply
   1,093,369.59x = 1,509,016.23 × 663,566.58
4. Step 4: Simplify right side
   1,093,369.59x = 1,001,332,738,905.59
5. Step 5: Solve for x
   x = 1,001,332,738,905.59/1,093,369.59
6. Step 6: Final answer
   x = 915,822.74