Finding the Fourth Proportional to 2,553,697.96, 3,524,142.28 and 1,392,144.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,697.96 : 3,524,142.28 = 1,392,144.89 : x
2. Step 2: Convert to fraction form
   2,553,697.96/3,524,142.28 = 1,392,144.89/x
3. Step 3: Cross multiply
   2,553,697.96x = 3,524,142.28 × 1,392,144.89
4. Step 4: Simplify right side
   2,553,697.96x = 4,906,116,672,064.94
5. Step 5: Solve for x
   x = 4,906,116,672,064.94/2,553,697.96
6. Step 6: Final answer
   x = 1,921,181.26