Finding the Fourth Proportional to 13,288.42, 19,914.69 and 7,365.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288.42 : 19,914.69 = 7,365.06 : x
2. Step 2: Convert to fraction form
   13,288.42/19,914.69 = 7,365.06/x
3. Step 3: Cross multiply
   13,288.42x = 19,914.69 × 7,365.06
4. Step 4: Simplify right side
   13,288.42x = 146,672,936.22
5. Step 5: Solve for x
   x = 146,672,936.22/13,288.42
6. Step 6: Final answer
   x = 11,037.65