Finding the Fourth Proportional to 22,516.34, 31,076.41 and 13,090.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,516.34 : 31,076.41 = 13,090.37 : x
2. Step 2: Convert to fraction form
   22,516.34/31,076.41 = 13,090.37/x
3. Step 3: Cross multiply
   22,516.34x = 31,076.41 × 13,090.37
4. Step 4: Simplify right side
   22,516.34x = 406,801,705.17
5. Step 5: Solve for x
   x = 406,801,705.17/22,516.34
6. Step 6: Final answer
   x = 18,066.96