Finding the Fourth Proportional to 9,618.86, 14,429.81 and 4,072.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.86 : 14,429.81 = 4,072.24 : x
2. Step 2: Convert to fraction form
   9,618.86/14,429.81 = 4,072.24/x
3. Step 3: Cross multiply
   9,618.86x = 14,429.81 × 4,072.24
4. Step 4: Simplify right side
   9,618.86x = 58,761,677.69
5. Step 5: Solve for x
   x = 58,761,677.69/9,618.86
6. Step 6: Final answer
   x = 6,109.00