Finding the Fourth Proportional to 12,705.46, 17,535.28 and 7,401.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.46 : 17,535.28 = 7,401.94 : x
2. Step 2: Convert to fraction form
   12,705.46/17,535.28 = 7,401.94/x
3. Step 3: Cross multiply
   12,705.46x = 17,535.28 × 7,401.94
4. Step 4: Simplify right side
   12,705.46x = 129,795,090.44
5. Step 5: Solve for x
   x = 129,795,090.44/12,705.46
6. Step 6: Final answer
   x = 10,215.69