Finding the Fourth Proportional to 12,556.42, 17,323.56 and 7,175

Step by Step Solution

1. Step 1: Write the proportion equation
   12,556.42 : 17,323.56 = 7,175 : x
2. Step 2: Convert to fraction form
   12,556.42/17,323.56 = 7,175/x
3. Step 3: Cross multiply
   12,556.42x = 17,323.56 × 7,175
4. Step 4: Simplify right side
   12,556.42x = 124,296,543.00
5. Step 5: Solve for x
   x = 124,296,543.00/12,556.42
6. Step 6: Final answer
   x = 9,899.04