Finding the Fourth Proportional to 12,994.63, 19,491.78 and 3,133.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.63 : 19,491.78 = 3,133.83 : x
2. Step 2: Convert to fraction form
   12,994.63/19,491.78 = 3,133.83/x
3. Step 3: Cross multiply
   12,994.63x = 19,491.78 × 3,133.83
4. Step 4: Simplify right side
   12,994.63x = 61,083,924.92
5. Step 5: Solve for x
   x = 61,083,924.92/12,994.63
6. Step 6: Final answer
   x = 4,700.71