Finding the Fourth Proportional to 9,326.07, 12,870.50 and 6,180.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,326.07 : 12,870.50 = 6,180.03 : x
2. Step 2: Convert to fraction form
   9,326.07/12,870.50 = 6,180.03/x
3. Step 3: Cross multiply
   9,326.07x = 12,870.50 × 6,180.03
4. Step 4: Simplify right side
   9,326.07x = 79,540,045.21
5. Step 5: Solve for x
   x = 79,540,045.21/9,326.07
6. Step 6: Final answer
   x = 8,528.78