Finding the Fourth Proportional to 19,705.32, 27,196.42 and 19,057.32

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705.32 : 27,196.42 = 19,057.32 : x
2. Step 2: Convert to fraction form
   19,705.32/27,196.42 = 19,057.32/x
3. Step 3: Cross multiply
   19,705.32x = 27,196.42 × 19,057.32
4. Step 4: Simplify right side
   19,705.32x = 518,290,878.79
5. Step 5: Solve for x
   x = 518,290,878.79/19,705.32
6. Step 6: Final answer
   x = 26,302.08