Finding the Fourth Proportional to 2,300.58, 3,451.69 and 983.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.58 : 3,451.69 = 983.78 : x
2. Step 2: Convert to fraction form
   2,300.58/3,451.69 = 983.78/x
3. Step 3: Cross multiply
   2,300.58x = 3,451.69 × 983.78
4. Step 4: Simplify right side
   2,300.58x = 3,395,713.45
5. Step 5: Solve for x
   x = 3,395,713.45/2,300.58
6. Step 6: Final answer
   x = 1,476.02