Finding the Fourth Proportional to 14,156.28, 19,534.91 and 7,868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,156.28 : 19,534.91 = 7,868.25 : x
2. Step 2: Convert to fraction form
   14,156.28/19,534.91 = 7,868.25/x
3. Step 3: Cross multiply
   14,156.28x = 19,534.91 × 7,868.25
4. Step 4: Simplify right side
   14,156.28x = 153,705,516.27
5. Step 5: Solve for x
   x = 153,705,516.27/14,156.28
6. Step 6: Final answer
   x = 10,857.76