Finding the Fourth Proportional to 12,358.52, 17,056.38 and 7,052.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,358.52 : 17,056.38 = 7,052.12 : x
2. Step 2: Convert to fraction form
   12,358.52/17,056.38 = 7,052.12/x
3. Step 3: Cross multiply
   12,358.52x = 17,056.38 × 7,052.12
4. Step 4: Simplify right side
   12,358.52x = 120,283,638.53
5. Step 5: Solve for x
   x = 120,283,638.53/12,358.52
6. Step 6: Final answer
   x = 9,732.85