Finding the Fourth Proportional to 12,358.53, 17,055.50 and 7,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,358.53 : 17,055.50 = 7,055.06 : x
2. Step 2: Convert to fraction form
   12,358.53/17,055.50 = 7,055.06/x
3. Step 3: Cross multiply
   12,358.53x = 17,055.50 × 7,055.06
4. Step 4: Simplify right side
   12,358.53x = 120,327,455.28
5. Step 5: Solve for x
   x = 120,327,455.28/12,358.53
6. Step 6: Final answer
   x = 9,736.39