Finding the Fourth Proportional to 19,522.16, 26,922.14 and 12,813.61

Step by Step Solution

1. Step 1: Write the proportion equation
   19,522.16 : 26,922.14 = 12,813.61 : x
2. Step 2: Convert to fraction form
   19,522.16/26,922.14 = 12,813.61/x
3. Step 3: Cross multiply
   19,522.16x = 26,922.14 × 12,813.61
4. Step 4: Simplify right side
   19,522.16x = 344,969,667.71
5. Step 5: Solve for x
   x = 344,969,667.71/19,522.16
6. Step 6: Final answer
   x = 17,670.67