Finding the Fourth Proportional to 9,338.26, 12,886.83 and 5,146.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.26 : 12,886.83 = 5,146.51 : x
2. Step 2: Convert to fraction form
   9,338.26/12,886.83 = 5,146.51/x
3. Step 3: Cross multiply
   9,338.26x = 12,886.83 × 5,146.51
4. Step 4: Simplify right side
   9,338.26x = 66,322,109.30
5. Step 5: Solve for x
   x = 66,322,109.30/9,338.26
6. Step 6: Final answer
   x = 7,102.20