Finding the Fourth Proportional to 14,179.89, 19,568.88 and 7,891.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,179.89 : 19,568.88 = 7,891.86 : x
2. Step 2: Convert to fraction form
   14,179.89/19,568.88 = 7,891.86/x
3. Step 3: Cross multiply
   14,179.89x = 19,568.88 × 7,891.86
4. Step 4: Simplify right side
   14,179.89x = 154,434,861.32
5. Step 5: Solve for x
   x = 154,434,861.32/14,179.89
6. Step 6: Final answer
   x = 10,891.12