Finding the Fourth Proportional to 12,637.76, 18,959.33 and 4,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,637.76 : 18,959.33 = 4,846.50 : x
2. Step 2: Convert to fraction form
   12,637.76/18,959.33 = 4,846.50/x
3. Step 3: Cross multiply
   12,637.76x = 18,959.33 × 4,846.50
4. Step 4: Simplify right side
   12,637.76x = 91,886,404.96
5. Step 5: Solve for x
   x = 91,886,404.96/12,637.76
6. Step 6: Final answer
   x = 7,270.79