Finding the Fourth Proportional to 10,131.34, 15,196.10 and 7,182.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.34 : 15,196.10 = 7,182.42 : x
2. Step 2: Convert to fraction form
   10,131.34/15,196.10 = 7,182.42/x
3. Step 3: Cross multiply
   10,131.34x = 15,196.10 × 7,182.42
4. Step 4: Simplify right side
   10,131.34x = 109,144,838.53
5. Step 5: Solve for x
   x = 109,144,838.53/10,131.34
6. Step 6: Final answer
   x = 10,772.99