Finding the Fourth Proportional to 19,915.67, 27,483.14 and 10,963.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,915.67 : 27,483.14 = 10,963.10 : x
2. Step 2: Convert to fraction form
   19,915.67/27,483.14 = 10,963.10/x
3. Step 3: Cross multiply
   19,915.67x = 27,483.14 × 10,963.10
4. Step 4: Simplify right side
   19,915.67x = 301,300,302.13
5. Step 5: Solve for x
   x = 301,300,302.13/19,915.67
6. Step 6: Final answer
   x = 15,128.80