Finding the Fourth Proportional to 2,076,665.10, 3,116,390.85 and 728,825.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,665.10 : 3,116,390.85 = 728,825.10 : x
2. Step 2: Convert to fraction form
   2,076,665.10/3,116,390.85 = 728,825.10/x
3. Step 3: Cross multiply
   2,076,665.10x = 3,116,390.85 × 728,825.10
4. Step 4: Simplify right side
   2,076,665.10x = 2,271,303,872,890.34
5. Step 5: Solve for x
   x = 2,271,303,872,890.34/2,076,665.10
6. Step 6: Final answer
   x = 1,093,726.61