Finding the Fourth Proportional to 14,256.63, 19,673.30 and 7,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,256.63 : 19,673.30 = 7,882.72 : x
2. Step 2: Convert to fraction form
   14,256.63/19,673.30 = 7,882.72/x
3. Step 3: Cross multiply
   14,256.63x = 19,673.30 × 7,882.72
4. Step 4: Simplify right side
   14,256.63x = 155,079,056.34
5. Step 5: Solve for x
   x = 155,079,056.34/14,256.63
6. Step 6: Final answer
   x = 10,877.68