Finding the Fourth Proportional to 12,633.71, 18,927.27 and 10,566.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.71 : 18,927.27 = 10,566.99 : x
2. Step 2: Convert to fraction form
   12,633.71/18,927.27 = 10,566.99/x
3. Step 3: Cross multiply
   12,633.71x = 18,927.27 × 10,566.99
4. Step 4: Simplify right side
   12,633.71x = 200,004,272.82
5. Step 5: Solve for x
   x = 200,004,272.82/12,633.71
6. Step 6: Final answer
   x = 15,831.01