Finding the Fourth Proportional to 4,895.56, 7,342.80 and 4,786.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,895.56 : 7,342.80 = 4,786.12 : x
2. Step 2: Convert to fraction form
   4,895.56/7,342.80 = 4,786.12/x
3. Step 3: Cross multiply
   4,895.56x = 7,342.80 × 4,786.12
4. Step 4: Simplify right side
   4,895.56x = 35,143,521.94
5. Step 5: Solve for x
   x = 35,143,521.94/4,895.56
6. Step 6: Final answer
   x = 7,178.65