Finding the Fourth Proportional to 12,994.12, 17,918.04 and 10,473.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.12 : 17,918.04 = 10,473.58 : x
2. Step 2: Convert to fraction form
   12,994.12/17,918.04 = 10,473.58/x
3. Step 3: Cross multiply
   12,994.12x = 17,918.04 × 10,473.58
4. Step 4: Simplify right side
   12,994.12x = 187,666,025.38
5. Step 5: Solve for x
   x = 187,666,025.38/12,994.12
6. Step 6: Final answer
   x = 14,442.38