Finding the Fourth Proportional to 8,789.37, 12,129.29 and 4,756.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.37 : 12,129.29 = 4,756.18 : x
2. Step 2: Convert to fraction form
   8,789.37/12,129.29 = 4,756.18/x
3. Step 3: Cross multiply
   8,789.37x = 12,129.29 × 4,756.18
4. Step 4: Simplify right side
   8,789.37x = 57,689,086.51
5. Step 5: Solve for x
   x = 57,689,086.51/8,789.37
6. Step 6: Final answer
   x = 6,563.51