Finding the Fourth Proportional to 9,141.05, 12,614.88 and 5,606.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.05 : 12,614.88 = 5,606.21 : x
2. Step 2: Convert to fraction form
   9,141.05/12,614.88 = 5,606.21/x
3. Step 3: Cross multiply
   9,141.05x = 12,614.88 × 5,606.21
4. Step 4: Simplify right side
   9,141.05x = 70,721,603.33
5. Step 5: Solve for x
   x = 70,721,603.33/9,141.05
6. Step 6: Final answer
   x = 7,736.71