Finding the Fourth Proportional to 10,390.68, 14,338.89 and 6,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.68 : 14,338.89 = 6,141.69 : x
2. Step 2: Convert to fraction form
   10,390.68/14,338.89 = 6,141.69/x
3. Step 3: Cross multiply
   10,390.68x = 14,338.89 × 6,141.69
4. Step 4: Simplify right side
   10,390.68x = 88,065,017.32
5. Step 5: Solve for x
   x = 88,065,017.32/10,390.68
6. Step 6: Final answer
   x = 8,475.39