Finding the Fourth Proportional to 4,965.64, 7,443.42 and 3,118.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,965.64 : 7,443.42 = 3,118.06 : x
2. Step 2: Convert to fraction form
   4,965.64/7,443.42 = 3,118.06/x
3. Step 3: Cross multiply
   4,965.64x = 7,443.42 × 3,118.06
4. Step 4: Simplify right side
   4,965.64x = 23,209,030.17
5. Step 5: Solve for x
   x = 23,209,030.17/4,965.64
6. Step 6: Final answer
   x = 4,673.93