Finding the Fourth Proportional to 12,994.78, 19,490.01 and 4,673.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.78 : 19,490.01 = 4,673.11 : x
2. Step 2: Convert to fraction form
   12,994.78/19,490.01 = 4,673.11/x
3. Step 3: Cross multiply
   12,994.78x = 19,490.01 × 4,673.11
4. Step 4: Simplify right side
   12,994.78x = 91,078,960.63
5. Step 5: Solve for x
   x = 91,078,960.63/12,994.78
6. Step 6: Final answer
   x = 7,008.89