Finding the Fourth Proportional to 9,325.39, 12,868.86 and 5,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,325.39 : 12,868.86 = 5,076.31 : x
2. Step 2: Convert to fraction form
   9,325.39/12,868.86 = 5,076.31/x
3. Step 3: Cross multiply
   9,325.39x = 12,868.86 × 5,076.31
4. Step 4: Simplify right side
   9,325.39x = 65,326,322.71
5. Step 5: Solve for x
   x = 65,326,322.71/9,325.39
6. Step 6: Final answer
   x = 7,005.21