Finding the Fourth Proportional to 12,993.81, 17,931.42 and 7,025.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993.81 : 17,931.42 = 7,025.46 : x
2. Step 2: Convert to fraction form
   12,993.81/17,931.42 = 7,025.46/x
3. Step 3: Cross multiply
   12,993.81x = 17,931.42 × 7,025.46
4. Step 4: Simplify right side
   12,993.81x = 125,976,406.71
5. Step 5: Solve for x
   x = 125,976,406.71/12,993.81
6. Step 6: Final answer
   x = 9,695.11