Finding the Fourth Proportional to 13,003.97, 17,945.62 and 7,627.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.97 : 17,945.62 = 7,627.59 : x
2. Step 2: Convert to fraction form
   13,003.97/17,945.62 = 7,627.59/x
3. Step 3: Cross multiply
   13,003.97x = 17,945.62 × 7,627.59
4. Step 4: Simplify right side
   13,003.97x = 136,881,812.59
5. Step 5: Solve for x
   x = 136,881,812.59/13,003.97
6. Step 6: Final answer
   x = 10,526.16