Finding the Fourth Proportional to 3,051.83, 4,578.30 and 971.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,051.83 : 4,578.30 = 971.98 : x
2. Step 2: Convert to fraction form
   3,051.83/4,578.30 = 971.98/x
3. Step 3: Cross multiply
   3,051.83x = 4,578.30 × 971.98
4. Step 4: Simplify right side
   3,051.83x = 4,450,004.59
5. Step 5: Solve for x
   x = 4,450,004.59/3,051.83
6. Step 6: Final answer
   x = 1,458.14