Finding the Fourth Proportional to 22,908.51, 31,613.09 and 13,477.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,908.51 : 31,613.09 = 13,477.59 : x
2. Step 2: Convert to fraction form
   22,908.51/31,613.09 = 13,477.59/x
3. Step 3: Cross multiply
   22,908.51x = 31,613.09 × 13,477.59
4. Step 4: Simplify right side
   22,908.51x = 426,068,198.27
5. Step 5: Solve for x
   x = 426,068,198.27/22,908.51
6. Step 6: Final answer
   x = 18,598.69