Finding the Fourth Proportional to 12,957.84, 17,882.73 and 7,293.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,957.84 : 17,882.73 = 7,293.15 : x
2. Step 2: Convert to fraction form
   12,957.84/17,882.73 = 7,293.15/x
3. Step 3: Cross multiply
   12,957.84x = 17,882.73 × 7,293.15
4. Step 4: Simplify right side
   12,957.84x = 130,421,432.30
5. Step 5: Solve for x
   x = 130,421,432.30/12,957.84
6. Step 6: Final answer
   x = 10,065.06