Finding the Fourth Proportional to 13,236.71, 19,844.64 and 9,064.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,236.71 : 19,844.64 = 9,064.08 : x
2. Step 2: Convert to fraction form
   13,236.71/19,844.64 = 9,064.08/x
3. Step 3: Cross multiply
   13,236.71x = 19,844.64 × 9,064.08
4. Step 4: Simplify right side
   13,236.71x = 179,873,404.53
5. Step 5: Solve for x
   x = 179,873,404.53/13,236.71
6. Step 6: Final answer
   x = 13,588.99