Finding the Fourth Proportional to 19,162.50, 26,446.68 and 10,780.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,162.50 : 26,446.68 = 10,780.62 : x
2. Step 2: Convert to fraction form
   19,162.50/26,446.68 = 10,780.62/x
3. Step 3: Cross multiply
   19,162.50x = 26,446.68 × 10,780.62
4. Step 4: Simplify right side
   19,162.50x = 285,111,607.34
5. Step 5: Solve for x
   x = 285,111,607.34/19,162.50
6. Step 6: Final answer
   x = 14,878.62