Finding the Fourth Proportional to 19,846.10, 27,388.91 and 13,875.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,846.10 : 27,388.91 = 13,875.59 : x
2. Step 2: Convert to fraction form
   19,846.10/27,388.91 = 13,875.59/x
3. Step 3: Cross multiply
   19,846.10x = 27,388.91 × 13,875.59
4. Step 4: Simplify right side
   19,846.10x = 380,037,388.87
5. Step 5: Solve for x
   x = 380,037,388.87/19,846.10
6. Step 6: Final answer
   x = 19,149.22