Finding the Fourth Proportional to 9,617.73, 13,272.71 and 5,426.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617.73 : 13,272.71 = 5,426.25 : x
2. Step 2: Convert to fraction form
   9,617.73/13,272.71 = 5,426.25/x
3. Step 3: Cross multiply
   9,617.73x = 13,272.71 × 5,426.25
4. Step 4: Simplify right side
   9,617.73x = 72,021,015.51
5. Step 5: Solve for x
   x = 72,021,015.51/9,617.73
6. Step 6: Final answer
   x = 7,488.36