Finding the Fourth Proportional to 12,703.32, 17,531.18 and 7,667.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,703.32 : 17,531.18 = 7,667.45 : x
2. Step 2: Convert to fraction form
   12,703.32/17,531.18 = 7,667.45/x
3. Step 3: Cross multiply
   12,703.32x = 17,531.18 × 7,667.45
4. Step 4: Simplify right side
   12,703.32x = 134,419,320.10
5. Step 5: Solve for x
   x = 134,419,320.10/12,703.32
6. Step 6: Final answer
   x = 10,581.43