Finding the Fourth Proportional to 12,606.31, 17,396.40 and 7,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,606.31 : 17,396.40 = 7,300.81 : x
2. Step 2: Convert to fraction form
   12,606.31/17,396.40 = 7,300.81/x
3. Step 3: Cross multiply
   12,606.31x = 17,396.40 × 7,300.81
4. Step 4: Simplify right side
   12,606.31x = 127,007,811.08
5. Step 5: Solve for x
   x = 127,007,811.08/12,606.31
6. Step 6: Final answer
   x = 10,074.94