Finding the Fourth Proportional to 12,889.02, 17,786.34 and 7,300.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,889.02 : 17,786.34 = 7,300.02 : x
2. Step 2: Convert to fraction form
   12,889.02/17,786.34 = 7,300.02/x
3. Step 3: Cross multiply
   12,889.02x = 17,786.34 × 7,300.02
4. Step 4: Simplify right side
   12,889.02x = 129,840,637.73
5. Step 5: Solve for x
   x = 129,840,637.73/12,889.02
6. Step 6: Final answer
   x = 10,073.74