Finding the Fourth Proportional to 9,326.01, 12,870.21 and 5,077.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,326.01 : 12,870.21 = 5,077.23 : x
2. Step 2: Convert to fraction form
   9,326.01/12,870.21 = 5,077.23/x
3. Step 3: Cross multiply
   9,326.01x = 12,870.21 × 5,077.23
4. Step 4: Simplify right side
   9,326.01x = 65,345,016.32
5. Step 5: Solve for x
   x = 65,345,016.32/9,326.01
6. Step 6: Final answer
   x = 7,006.75