Finding the Fourth Proportional to 22,118.58, 30,526.17 and 13,166.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,118.58 : 30,526.17 = 13,166.13 : x
2. Step 2: Convert to fraction form
   22,118.58/30,526.17 = 13,166.13/x
3. Step 3: Cross multiply
   22,118.58x = 30,526.17 × 13,166.13
4. Step 4: Simplify right side
   22,118.58x = 401,911,522.62
5. Step 5: Solve for x
   x = 401,911,522.62/22,118.58
6. Step 6: Final answer
   x = 18,170.77