Finding the Fourth Proportional to 4,985.89, 7,466.49 and 2,899.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,985.89 : 7,466.49 = 2,899.57 : x
2. Step 2: Convert to fraction form
   4,985.89/7,466.49 = 2,899.57/x
3. Step 3: Cross multiply
   4,985.89x = 7,466.49 × 2,899.57
4. Step 4: Simplify right side
   4,985.89x = 21,649,610.41
5. Step 5: Solve for x
   x = 21,649,610.41/4,985.89
6. Step 6: Final answer
   x = 4,342.18