Finding the Fourth Proportional to 12,936.84, 17,852.82 and 7,347.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.84 : 17,852.82 = 7,347.72 : x
2. Step 2: Convert to fraction form
   12,936.84/17,852.82 = 7,347.72/x
3. Step 3: Cross multiply
   12,936.84x = 17,852.82 × 7,347.72
4. Step 4: Simplify right side
   12,936.84x = 131,177,522.57
5. Step 5: Solve for x
   x = 131,177,522.57/12,936.84
6. Step 6: Final answer
   x = 10,139.84