Finding the Fourth Proportional to 1,185,228.72, 1,777,770.08 and 729,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,228.72 : 1,777,770.08 = 729,906.72 : x
2. Step 2: Convert to fraction form
   1,185,228.72/1,777,770.08 = 729,906.72/x
3. Step 3: Cross multiply
   1,185,228.72x = 1,777,770.08 × 729,906.72
4. Step 4: Simplify right side
   1,185,228.72x = 1,297,606,328,006.94
5. Step 5: Solve for x
   x = 1,297,606,328,006.94/1,185,228.72
6. Step 6: Final answer
   x = 1,094,815.12