Finding the Fourth Proportional to 9,326.28, 12,870.43 and 5,077.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,326.28 : 12,870.43 = 5,077.46 : x
2. Step 2: Convert to fraction form
   9,326.28/12,870.43 = 5,077.46/x
3. Step 3: Cross multiply
   9,326.28x = 12,870.43 × 5,077.46
4. Step 4: Simplify right side
   9,326.28x = 65,349,093.51
5. Step 5: Solve for x
   x = 65,349,093.51/9,326.28
6. Step 6: Final answer
   x = 7,006.98