Finding the Fourth Proportional to 14,196.79, 19,591.70 and 7,823.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.79 : 19,591.70 = 7,823.61 : x
2. Step 2: Convert to fraction form
   14,196.79/19,591.70 = 7,823.61/x
3. Step 3: Cross multiply
   14,196.79x = 19,591.70 × 7,823.61
4. Step 4: Simplify right side
   14,196.79x = 153,277,780.88
5. Step 5: Solve for x
   x = 153,277,780.88/14,196.79
6. Step 6: Final answer
   x = 10,796.65