Finding the Fourth Proportional to 13,016.13, 17,964.69 and 7,427.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.13 : 17,964.69 = 7,427.13 : x
2. Step 2: Convert to fraction form
   13,016.13/17,964.69 = 7,427.13/x
3. Step 3: Cross multiply
   13,016.13x = 17,964.69 × 7,427.13
4. Step 4: Simplify right side
   13,016.13x = 133,426,088.04
5. Step 5: Solve for x
   x = 133,426,088.04/13,016.13
6. Step 6: Final answer
   x = 10,250.83