Finding the Fourth Proportional to 1,145,087.70, 1,716,249.15 and 583,833.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,087.70 : 1,716,249.15 = 583,833.30 : x
2. Step 2: Convert to fraction form
   1,145,087.70/1,716,249.15 = 583,833.30/x
3. Step 3: Cross multiply
   1,145,087.70x = 1,716,249.15 × 583,833.30
4. Step 4: Simplify right side
   1,145,087.70x = 1,002,003,404,866.70
5. Step 5: Solve for x
   x = 1,002,003,404,866.70/1,145,087.70
6. Step 6: Final answer
   x = 875,045.12