Finding the Fourth Proportional to 8,131.51, 12,206.97 and 4,846.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.51 : 12,206.97 = 4,846.15 : x
2. Step 2: Convert to fraction form
   8,131.51/12,206.97 = 4,846.15/x
3. Step 3: Cross multiply
   8,131.51x = 12,206.97 × 4,846.15
4. Step 4: Simplify right side
   8,131.51x = 59,156,783.43
5. Step 5: Solve for x
   x = 59,156,783.43/8,131.51
6. Step 6: Final answer
   x = 7,275.01