Finding the Fourth Proportional to 12,973.35, 17,904.57 and 7,940.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.35 : 17,904.57 = 7,940.92 : x
2. Step 2: Convert to fraction form
   12,973.35/17,904.57 = 7,940.92/x
3. Step 3: Cross multiply
   12,973.35x = 17,904.57 × 7,940.92
4. Step 4: Simplify right side
   12,973.35x = 142,178,758.00
5. Step 5: Solve for x
   x = 142,178,758.00/12,973.35
6. Step 6: Final answer
   x = 10,959.29