Finding the Fourth Proportional to 10,266.72, 15,401.16 and 3,246.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.72 : 15,401.16 = 3,246.99 : x
2. Step 2: Convert to fraction form
   10,266.72/15,401.16 = 3,246.99/x
3. Step 3: Cross multiply
   10,266.72x = 15,401.16 × 3,246.99
4. Step 4: Simplify right side
   10,266.72x = 50,007,412.51
5. Step 5: Solve for x
   x = 50,007,412.51/10,266.72
6. Step 6: Final answer
   x = 4,870.83