Finding the Fourth Proportional to 1,423,404.30, 2,131,996.05 and 1,105,365.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,404.30 : 2,131,996.05 = 1,105,365.90 : x
2. Step 2: Convert to fraction form
   1,423,404.30/2,131,996.05 = 1,105,365.90/x
3. Step 3: Cross multiply
   1,423,404.30x = 2,131,996.05 × 1,105,365.90
4. Step 4: Simplify right side
   1,423,404.30x = 2,356,635,732,604.69
5. Step 5: Solve for x
   x = 2,356,635,732,604.69/1,423,404.30
6. Step 6: Final answer
   x = 1,655,633.42