Finding the Fourth Proportional to 14,194.72, 19,588.71 and 7,821.40

Step by Step Solution

1. Step 1: Write the proportion equation
   14,194.72 : 19,588.71 = 7,821.40 : x
2. Step 2: Convert to fraction form
   14,194.72/19,588.71 = 7,821.40/x
3. Step 3: Cross multiply
   14,194.72x = 19,588.71 × 7,821.40
4. Step 4: Simplify right side
   14,194.72x = 153,211,136.39
5. Step 5: Solve for x
   x = 153,211,136.39/14,194.72
6. Step 6: Final answer
   x = 10,793.53