Finding the Fourth Proportional to 12,994.16, 17,931.86 and 7,025.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.16 : 17,931.86 = 7,025.84 : x
2. Step 2: Convert to fraction form
   12,994.16/17,931.86 = 7,025.84/x
3. Step 3: Cross multiply
   12,994.16x = 17,931.86 × 7,025.84
4. Step 4: Simplify right side
   12,994.16x = 125,986,379.26
5. Step 5: Solve for x
   x = 125,986,379.26/12,994.16
6. Step 6: Final answer
   x = 9,695.62