Finding the Fourth Proportional to 12,973.54, 17,900.19 and 7,935.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.54 : 17,900.19 = 7,935.92 : x
2. Step 2: Convert to fraction form
   12,973.54/17,900.19 = 7,935.92/x
3. Step 3: Cross multiply
   12,973.54x = 17,900.19 × 7,935.92
4. Step 4: Simplify right side
   12,973.54x = 142,054,475.82
5. Step 5: Solve for x
   x = 142,054,475.82/12,973.54
6. Step 6: Final answer
   x = 10,949.55