Finding the Fourth Proportional to 8,650.44, 12,978.18 and 4,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,650.44 : 12,978.18 = 4,700.88 : x
2. Step 2: Convert to fraction form
   8,650.44/12,978.18 = 4,700.88/x
3. Step 3: Cross multiply
   8,650.44x = 12,978.18 × 4,700.88
4. Step 4: Simplify right side
   8,650.44x = 61,008,866.80
5. Step 5: Solve for x
   x = 61,008,866.80/8,650.44
6. Step 6: Final answer
   x = 7,052.69