Finding the Fourth Proportional to 8,300.56, 12,431.40 and 4,596.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.56 : 12,431.40 = 4,596.88 : x
2. Step 2: Convert to fraction form
   8,300.56/12,431.40 = 4,596.88/x
3. Step 3: Cross multiply
   8,300.56x = 12,431.40 × 4,596.88
4. Step 4: Simplify right side
   8,300.56x = 57,145,654.03
5. Step 5: Solve for x
   x = 57,145,654.03/8,300.56
6. Step 6: Final answer
   x = 6,884.55