Finding the Fourth Proportional to 12,994.38, 19,491.40 and 3,133.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.38 : 19,491.40 = 3,133.59 : x
2. Step 2: Convert to fraction form
   12,994.38/19,491.40 = 3,133.59/x
3. Step 3: Cross multiply
   12,994.38x = 19,491.40 × 3,133.59
4. Step 4: Simplify right side
   12,994.38x = 61,077,958.67
5. Step 5: Solve for x
   x = 61,077,958.67/12,994.38
6. Step 6: Final answer
   x = 4,700.34