Finding the Fourth Proportional to 13,796.76, 19,061.82 and 9,623.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.76 : 19,061.82 = 9,623.64 : x
2. Step 2: Convert to fraction form
   13,796.76/19,061.82 = 9,623.64/x
3. Step 3: Cross multiply
   13,796.76x = 19,061.82 × 9,623.64
4. Step 4: Simplify right side
   13,796.76x = 183,444,093.42
5. Step 5: Solve for x
   x = 183,444,093.42/13,796.76
6. Step 6: Final answer
   x = 13,296.17