Finding the Fourth Proportional to 12,361.31, 17,059.82 and 7,056.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361.31 : 17,059.82 = 7,056.92 : x
2. Step 2: Convert to fraction form
   12,361.31/17,059.82 = 7,056.92/x
3. Step 3: Cross multiply
   12,361.31x = 17,059.82 × 7,056.92
4. Step 4: Simplify right side
   12,361.31x = 120,389,664.37
5. Step 5: Solve for x
   x = 120,389,664.37/12,361.31
6. Step 6: Final answer
   x = 9,739.24