Finding the Fourth Proportional to 13,037.59, 17,991.82 and 7,069.21

Step by Step Solution

1. Step 1: Write the proportion equation
   13,037.59 : 17,991.82 = 7,069.21 : x
2. Step 2: Convert to fraction form
   13,037.59/17,991.82 = 7,069.21/x
3. Step 3: Cross multiply
   13,037.59x = 17,991.82 × 7,069.21
4. Step 4: Simplify right side
   13,037.59x = 127,187,917.72
5. Step 5: Solve for x
   x = 127,187,917.72/13,037.59
6. Step 6: Final answer
   x = 9,755.48