Finding the Fourth Proportional to 5,287.89, 7,297.25 and 2,930.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,287.89 : 7,297.25 = 2,930.02 : x
2. Step 2: Convert to fraction form
   5,287.89/7,297.25 = 2,930.02/x
3. Step 3: Cross multiply
   5,287.89x = 7,297.25 × 2,930.02
4. Step 4: Simplify right side
   5,287.89x = 21,381,088.45
5. Step 5: Solve for x
   x = 21,381,088.45/5,287.89
6. Step 6: Final answer
   x = 4,043.41