Finding the Fourth Proportional to 12,902.71, 17,766.01 and 11,300.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.71 : 17,766.01 = 11,300.12 : x
2. Step 2: Convert to fraction form
   12,902.71/17,766.01 = 11,300.12/x
3. Step 3: Cross multiply
   12,902.71x = 17,766.01 × 11,300.12
4. Step 4: Simplify right side
   12,902.71x = 200,758,044.92
5. Step 5: Solve for x
   x = 200,758,044.92/12,902.71
6. Step 6: Final answer
   x = 15,559.37