Finding the Fourth Proportional to 1,036,760.05, 1,554,906.79 and 371,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,760.05 : 1,554,906.79 = 371,912.05 : x
2. Step 2: Convert to fraction form
   1,036,760.05/1,554,906.79 = 371,912.05/x
3. Step 3: Cross multiply
   1,036,760.05x = 1,554,906.79 × 371,912.05
4. Step 4: Simplify right side
   1,036,760.05x = 578,288,571,827.82
5. Step 5: Solve for x
   x = 578,288,571,827.82/1,036,760.05
6. Step 6: Final answer
   x = 557,784.39