Finding the Fourth Proportional to 11,297.83, 16,945.29 and 2,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,297.83 : 16,945.29 = 2,978.50 : x
2. Step 2: Convert to fraction form
   11,297.83/16,945.29 = 2,978.50/x
3. Step 3: Cross multiply
   11,297.83x = 16,945.29 × 2,978.50
4. Step 4: Simplify right side
   11,297.83x = 50,471,461.54
5. Step 5: Solve for x
   x = 50,471,461.54/11,297.83
6. Step 6: Final answer
   x = 4,467.36