Finding the Fourth Proportional to 9,904.24, 13,667.82 and 5,428.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.24 : 13,667.82 = 5,428.06 : x
2. Step 2: Convert to fraction form
   9,904.24/13,667.82 = 5,428.06/x
3. Step 3: Cross multiply
   9,904.24x = 13,667.82 × 5,428.06
4. Step 4: Simplify right side
   9,904.24x = 74,189,747.03
5. Step 5: Solve for x
   x = 74,189,747.03/9,904.24
6. Step 6: Final answer
   x = 7,490.71