Finding the Fourth Proportional to 12,703.56, 17,530.88 and 7,038.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,703.56 : 17,530.88 = 7,038.33 : x
2. Step 2: Convert to fraction form
   12,703.56/17,530.88 = 7,038.33/x
3. Step 3: Cross multiply
   12,703.56x = 17,530.88 × 7,038.33
4. Step 4: Simplify right side
   12,703.56x = 123,388,118.63
5. Step 5: Solve for x
   x = 123,388,118.63/12,703.56
6. Step 6: Final answer
   x = 9,712.88