Finding the Fourth Proportional to 2,978.25, 4,469.42 and 1,030.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.25 : 4,469.42 = 1,030.46 : x
2. Step 2: Convert to fraction form
   2,978.25/4,469.42 = 1,030.46/x
3. Step 3: Cross multiply
   2,978.25x = 4,469.42 × 1,030.46
4. Step 4: Simplify right side
   2,978.25x = 4,605,538.76
5. Step 5: Solve for x
   x = 4,605,538.76/2,978.25
6. Step 6: Final answer
   x = 1,546.39