Finding the Fourth Proportional to 14,196.48, 21,307.83 and 7,181.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.48 : 21,307.83 = 7,181.43 : x
2. Step 2: Convert to fraction form
   14,196.48/21,307.83 = 7,181.43/x
3. Step 3: Cross multiply
   14,196.48x = 21,307.83 × 7,181.43
4. Step 4: Simplify right side
   14,196.48x = 153,020,689.60
5. Step 5: Solve for x
   x = 153,020,689.60/14,196.48
6. Step 6: Final answer
   x = 10,778.78