Finding the Fourth Proportional to 13,780.50, 19,016.94 and 7,492.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,780.50 : 19,016.94 = 7,492.86 : x
2. Step 2: Convert to fraction form
   13,780.50/19,016.94 = 7,492.86/x
3. Step 3: Cross multiply
   13,780.50x = 19,016.94 × 7,492.86
4. Step 4: Simplify right side
   13,780.50x = 142,491,269.05
5. Step 5: Solve for x
   x = 142,491,269.05/13,780.50
6. Step 6: Final answer
   x = 10,340.07