Finding the Fourth Proportional to 9,808.14, 13,522.23 and 8,123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.14 : 13,522.23 = 8,123.34 : x
2. Step 2: Convert to fraction form
   9,808.14/13,522.23 = 8,123.34/x
3. Step 3: Cross multiply
   9,808.14x = 13,522.23 × 8,123.34
4. Step 4: Simplify right side
   9,808.14x = 109,845,671.85
5. Step 5: Solve for x
   x = 109,845,671.85/9,808.14
6. Step 6: Final answer
   x = 11,199.44