Finding the Fourth Proportional to 12,969.06, 17,898.21 and 7,380.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.06 : 17,898.21 = 7,380.06 : x
2. Step 2: Convert to fraction form
   12,969.06/17,898.21 = 7,380.06/x
3. Step 3: Cross multiply
   12,969.06x = 17,898.21 × 7,380.06
4. Step 4: Simplify right side
   12,969.06x = 132,089,863.69
5. Step 5: Solve for x
   x = 132,089,863.69/12,969.06
6. Step 6: Final answer
   x = 10,185.00