Finding the Fourth Proportional to 1,185,229.72, 1,777,771.58 and 729,907.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,229.72 : 1,777,771.58 = 729,907.72 : x
2. Step 2: Convert to fraction form
   1,185,229.72/1,777,771.58 = 729,907.72/x
3. Step 3: Cross multiply
   1,185,229.72x = 1,777,771.58 × 729,907.72
4. Step 4: Simplify right side
   1,185,229.72x = 1,297,609,200,638.60
5. Step 5: Solve for x
   x = 1,297,609,200,638.60/1,185,229.72
6. Step 6: Final answer
   x = 1,094,816.62