Finding the Fourth Proportional to 13,022.51, 17,971.15 and 7,054.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.51 : 17,971.15 = 7,054.25 : x
2. Step 2: Convert to fraction form
   13,022.51/17,971.15 = 7,054.25/x
3. Step 3: Cross multiply
   13,022.51x = 17,971.15 × 7,054.25
4. Step 4: Simplify right side
   13,022.51x = 126,772,984.89
5. Step 5: Solve for x
   x = 126,772,984.89/13,022.51
6. Step 6: Final answer
   x = 9,734.91