Finding the Fourth Proportional to 13,078.35, 19,588.82 and 12,054.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078.35 : 19,588.82 = 12,054.10 : x
2. Step 2: Convert to fraction form
   13,078.35/19,588.82 = 12,054.10/x
3. Step 3: Cross multiply
   13,078.35x = 19,588.82 × 12,054.10
4. Step 4: Simplify right side
   13,078.35x = 236,125,595.16
5. Step 5: Solve for x
   x = 236,125,595.16/13,078.35
6. Step 6: Final answer
   x = 18,054.69