Finding the Fourth Proportional to 19,822.38, 27,355.71 and 10,870.22

Step by Step Solution

1. Step 1: Write the proportion equation
   19,822.38 : 27,355.71 = 10,870.22 : x
2. Step 2: Convert to fraction form
   19,822.38/27,355.71 = 10,870.22/x
3. Step 3: Cross multiply
   19,822.38x = 27,355.71 × 10,870.22
4. Step 4: Simplify right side
   19,822.38x = 297,362,585.96
5. Step 5: Solve for x
   x = 297,362,585.96/19,822.38
6. Step 6: Final answer
   x = 15,001.36