Finding the Fourth Proportional to 19,823.34, 27,355.98 and 10,870.77

Step by Step Solution

1. Step 1: Write the proportion equation
   19,823.34 : 27,355.98 = 10,870.77 : x
2. Step 2: Convert to fraction form
   19,823.34/27,355.98 = 10,870.77/x
3. Step 3: Cross multiply
   19,823.34x = 27,355.98 × 10,870.77
4. Step 4: Simplify right side
   19,823.34x = 297,380,418.09
5. Step 5: Solve for x
   x = 297,380,418.09/19,823.34
6. Step 6: Final answer
   x = 15,001.53