Finding the Fourth Proportional to 12,357.22, 17,051.67 and 7,051

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.22 : 17,051.67 = 7,051 : x
2. Step 2: Convert to fraction form
   12,357.22/17,051.67 = 7,051/x
3. Step 3: Cross multiply
   12,357.22x = 17,051.67 × 7,051
4. Step 4: Simplify right side
   12,357.22x = 120,231,325.17
5. Step 5: Solve for x
   x = 120,231,325.17/12,357.22
6. Step 6: Final answer
   x = 9,729.64