Finding the Fourth Proportional to 8,938.72, 13,405.12 and 3,014.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.72 : 13,405.12 = 3,014.01 : x
2. Step 2: Convert to fraction form
   8,938.72/13,405.12 = 3,014.01/x
3. Step 3: Cross multiply
   8,938.72x = 13,405.12 × 3,014.01
4. Step 4: Simplify right side
   8,938.72x = 40,403,158.20
5. Step 5: Solve for x
   x = 40,403,158.20/8,938.72
6. Step 6: Final answer
   x = 4,520.02