Finding the Fourth Proportional to 5,436.57, 7,485.78 and 4,760.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.57 : 7,485.78 = 4,760.51 : x
2. Step 2: Convert to fraction form
   5,436.57/7,485.78 = 4,760.51/x
3. Step 3: Cross multiply
   5,436.57x = 7,485.78 × 4,760.51
4. Step 4: Simplify right side
   5,436.57x = 35,636,093.12
5. Step 5: Solve for x
   x = 35,636,093.12/5,436.57
6. Step 6: Final answer
   x = 6,554.89