Finding the Fourth Proportional to 22,522.55, 31,083.03 and 13,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.55 : 31,083.03 = 13,090.50 : x
2. Step 2: Convert to fraction form
   22,522.55/31,083.03 = 13,090.50/x
3. Step 3: Cross multiply
   22,522.55x = 31,083.03 × 13,090.50
4. Step 4: Simplify right side
   22,522.55x = 406,892,404.22
5. Step 5: Solve for x
   x = 406,892,404.22/22,522.55
6. Step 6: Final answer
   x = 18,066.00