Finding the Fourth Proportional to 13,038.10, 17,992.71 and 7,069.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.10 : 17,992.71 = 7,069.81 : x
2. Step 2: Convert to fraction form
   13,038.10/17,992.71 = 7,069.81/x
3. Step 3: Cross multiply
   13,038.10x = 17,992.71 × 7,069.81
4. Step 4: Simplify right side
   13,038.10x = 127,205,041.09
5. Step 5: Solve for x
   x = 127,205,041.09/13,038.10
6. Step 6: Final answer
   x = 9,756.41