Finding the Fourth Proportional to 2,978.84, 4,467.53 and 1,003.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.84 : 4,467.53 = 1,003.95 : x
2. Step 2: Convert to fraction form
   2,978.84/4,467.53 = 1,003.95/x
3. Step 3: Cross multiply
   2,978.84x = 4,467.53 × 1,003.95
4. Step 4: Simplify right side
   2,978.84x = 4,485,171.72
5. Step 5: Solve for x
   x = 4,485,171.72/2,978.84
6. Step 6: Final answer
   x = 1,505.68