Finding the Fourth Proportional to 14,527.69, 21,795.18 and 4,139.44

Step by Step Solution

1. Step 1: Write the proportion equation
   14,527.69 : 21,795.18 = 4,139.44 : x
2. Step 2: Convert to fraction form
   14,527.69/21,795.18 = 4,139.44/x
3. Step 3: Cross multiply
   14,527.69x = 21,795.18 × 4,139.44
4. Step 4: Simplify right side
   14,527.69x = 90,219,769.89
5. Step 5: Solve for x
   x = 90,219,769.89/14,527.69
6. Step 6: Final answer
   x = 6,210.19