Finding the Fourth Proportional to 42,128.02, 63,196.17 and 10,963.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.02 : 63,196.17 = 10,963.27 : x
2. Step 2: Convert to fraction form
   42,128.02/63,196.17 = 10,963.27/x
3. Step 3: Cross multiply
   42,128.02x = 63,196.17 × 10,963.27
4. Step 4: Simplify right side
   42,128.02x = 692,836,674.68
5. Step 5: Solve for x
   x = 692,836,674.68/42,128.02
6. Step 6: Final answer
   x = 16,445.98