Finding the Fourth Proportional to 9,346.77, 12,886.43 and 7,747.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,346.77 : 12,886.43 = 7,747.56 : x
2. Step 2: Convert to fraction form
   9,346.77/12,886.43 = 7,747.56/x
3. Step 3: Cross multiply
   9,346.77x = 12,886.43 × 7,747.56
4. Step 4: Simplify right side
   9,346.77x = 99,838,350.87
5. Step 5: Solve for x
   x = 99,838,350.87/9,346.77
6. Step 6: Final answer
   x = 10,681.59