Finding the Fourth Proportional to 12,391.58, 17,100.63 and 7,014.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,391.58 : 17,100.63 = 7,014.01 : x
2. Step 2: Convert to fraction form
   12,391.58/17,100.63 = 7,014.01/x
3. Step 3: Cross multiply
   12,391.58x = 17,100.63 × 7,014.01
4. Step 4: Simplify right side
   12,391.58x = 119,943,989.83
5. Step 5: Solve for x
   x = 119,943,989.83/12,391.58
6. Step 6: Final answer
   x = 9,679.48