Finding the Fourth Proportional to 19,915.78, 27,482.83 and 10,963.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,915.78 : 27,482.83 = 10,963.10 : x
2. Step 2: Convert to fraction form
   19,915.78/27,482.83 = 10,963.10/x
3. Step 3: Cross multiply
   19,915.78x = 27,482.83 × 10,963.10
4. Step 4: Simplify right side
   19,915.78x = 301,296,821.34
5. Step 5: Solve for x
   x = 301,296,821.34/19,915.78
6. Step 6: Final answer
   x = 15,128.55