Finding the Fourth Proportional to 2,003.48, 3,005.69 and 907.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.48 : 3,005.69 = 907.55 : x
2. Step 2: Convert to fraction form
   2,003.48/3,005.69 = 907.55/x
3. Step 3: Cross multiply
   2,003.48x = 3,005.69 × 907.55
4. Step 4: Simplify right side
   2,003.48x = 2,727,794.39
5. Step 5: Solve for x
   x = 2,727,794.39/2,003.48
6. Step 6: Final answer
   x = 1,361.53