Finding the Fourth Proportional to 1,429,513.61, 2,131,660.17 and 1,231,108.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,513.61 : 2,131,660.17 = 1,231,108.97 : x
2. Step 2: Convert to fraction form
   1,429,513.61/2,131,660.17 = 1,231,108.97/x
3. Step 3: Cross multiply
   1,429,513.61x = 2,131,660.17 × 1,231,108.97
4. Step 4: Simplify right side
   1,429,513.61x = 2,624,305,945,620.42
5. Step 5: Solve for x
   x = 2,624,305,945,620.42/1,429,513.61
6. Step 6: Final answer
   x = 1,835,803.41