Finding the Fourth Proportional to 2,003.47, 3,005.69 and 907.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.47 : 3,005.69 = 907.83 : x
2. Step 2: Convert to fraction form
   2,003.47/3,005.69 = 907.83/x
3. Step 3: Cross multiply
   2,003.47x = 3,005.69 × 907.83
4. Step 4: Simplify right side
   2,003.47x = 2,728,651.01
5. Step 5: Solve for x
   x = 2,728,651.01/2,003.47
6. Step 6: Final answer
   x = 1,361.96