Finding the Fourth Proportional to 2,995.29, 4,485.96 and 2,891.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.29 : 4,485.96 = 2,891.47 : x
2. Step 2: Convert to fraction form
   2,995.29/4,485.96 = 2,891.47/x
3. Step 3: Cross multiply
   2,995.29x = 4,485.96 × 2,891.47
4. Step 4: Simplify right side
   2,995.29x = 12,971,018.76
5. Step 5: Solve for x
   x = 12,971,018.76/2,995.29
6. Step 6: Final answer
   x = 4,330.47