Finding the Fourth Proportional to 13,046.84, 18,012.84 and 10,057.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.84 : 18,012.84 = 10,057.04 : x
2. Step 2: Convert to fraction form
   13,046.84/18,012.84 = 10,057.04/x
3. Step 3: Cross multiply
   13,046.84x = 18,012.84 × 10,057.04
4. Step 4: Simplify right side
   13,046.84x = 181,155,852.39
5. Step 5: Solve for x
   x = 181,155,852.39/13,046.84
6. Step 6: Final answer
   x = 13,885.04