Finding the Fourth Proportional to 10,599.59, 15,818.89 and 10,170.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,599.59 : 15,818.89 = 10,170.46 : x
2. Step 2: Convert to fraction form
   10,599.59/15,818.89 = 10,170.46/x
3. Step 3: Cross multiply
   10,599.59x = 15,818.89 × 10,170.46
4. Step 4: Simplify right side
   10,599.59x = 160,885,258.04
5. Step 5: Solve for x
   x = 160,885,258.04/10,599.59
6. Step 6: Final answer
   x = 15,178.44