Finding the Fourth Proportional to 10,118.39, 15,168.87 and 4,191.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.39 : 15,168.87 = 4,191.62 : x
2. Step 2: Convert to fraction form
   10,118.39/15,168.87 = 4,191.62/x
3. Step 3: Cross multiply
   10,118.39x = 15,168.87 × 4,191.62
4. Step 4: Simplify right side
   10,118.39x = 63,582,063.03
5. Step 5: Solve for x
   x = 63,582,063.03/10,118.39
6. Step 6: Final answer
   x = 6,283.82