Finding the Fourth Proportional to 9,003.54, 12,422.89 and 5,224.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.54 : 12,422.89 = 5,224.51 : x
2. Step 2: Convert to fraction form
   9,003.54/12,422.89 = 5,224.51/x
3. Step 3: Cross multiply
   9,003.54x = 12,422.89 × 5,224.51
4. Step 4: Simplify right side
   9,003.54x = 64,903,505.71
5. Step 5: Solve for x
   x = 64,903,505.71/9,003.54
6. Step 6: Final answer
   x = 7,208.66