Finding the Fourth Proportional to 1,687,768.55, 2,329,179.81 and 923,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,768.55 : 2,329,179.81 = 923,822.72 : x
2. Step 2: Convert to fraction form
   1,687,768.55/2,329,179.81 = 923,822.72/x
3. Step 3: Cross multiply
   1,687,768.55x = 2,329,179.81 × 923,822.72
4. Step 4: Simplify right side
   1,687,768.55x = 2,151,749,227,443.28
5. Step 5: Solve for x
   x = 2,151,749,227,443.28/1,687,768.55
6. Step 6: Final answer
   x = 1,274,907.76