Finding the Fourth Proportional to 19,826.06, 27,361.72 and 10,875.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,826.06 : 27,361.72 = 10,875.31 : x
2. Step 2: Convert to fraction form
   19,826.06/27,361.72 = 10,875.31/x
3. Step 3: Cross multiply
   19,826.06x = 27,361.72 × 10,875.31
4. Step 4: Simplify right side
   19,826.06x = 297,567,155.51
5. Step 5: Solve for x
   x = 297,567,155.51/19,826.06
6. Step 6: Final answer
   x = 15,008.89