Finding the Fourth Proportional to 7,389.96, 10,199.89 and 4,247.97

Step by Step Solution

1. Step 1: Write the proportion equation
   7,389.96 : 10,199.89 = 4,247.97 : x
2. Step 2: Convert to fraction form
   7,389.96/10,199.89 = 4,247.97/x
3. Step 3: Cross multiply
   7,389.96x = 10,199.89 × 4,247.97
4. Step 4: Simplify right side
   7,389.96x = 43,328,826.72
5. Step 5: Solve for x
   x = 43,328,826.72/7,389.96
6. Step 6: Final answer
   x = 5,863.20