Finding the Fourth Proportional to 14,017.05, 19,343.41 and 7,643.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,017.05 : 19,343.41 = 7,643.77 : x
2. Step 2: Convert to fraction form
   14,017.05/19,343.41 = 7,643.77/x
3. Step 3: Cross multiply
   14,017.05x = 19,343.41 × 7,643.77
4. Step 4: Simplify right side
   14,017.05x = 147,856,509.59
5. Step 5: Solve for x
   x = 147,856,509.59/14,017.05
6. Step 6: Final answer
   x = 10,548.33