Finding the Fourth Proportional to 8,786.76, 12,126.01 and 4,807.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786.76 : 12,126.01 = 4,807.87 : x
2. Step 2: Convert to fraction form
   8,786.76/12,126.01 = 4,807.87/x
3. Step 3: Cross multiply
   8,786.76x = 12,126.01 × 4,807.87
4. Step 4: Simplify right side
   8,786.76x = 58,300,279.70
5. Step 5: Solve for x
   x = 58,300,279.70/8,786.76
6. Step 6: Final answer
   x = 6,635.01