Finding the Fourth Proportional to 14,338.50, 21,508.56 and 5,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,338.50 : 21,508.56 = 5,104.50 : x
2. Step 2: Convert to fraction form
   14,338.50/21,508.56 = 5,104.50/x
3. Step 3: Cross multiply
   14,338.50x = 21,508.56 × 5,104.50
4. Step 4: Simplify right side
   14,338.50x = 109,790,444.52
5. Step 5: Solve for x
   x = 109,790,444.52/14,338.50
6. Step 6: Final answer
   x = 7,657.04