Finding the Fourth Proportional to 13,016.32, 17,959.55 and 7,350.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.32 : 17,959.55 = 7,350.77 : x
2. Step 2: Convert to fraction form
   13,016.32/17,959.55 = 7,350.77/x
3. Step 3: Cross multiply
   13,016.32x = 17,959.55 × 7,350.77
4. Step 4: Simplify right side
   13,016.32x = 132,016,529.50
5. Step 5: Solve for x
   x = 132,016,529.50/13,016.32
6. Step 6: Final answer
   x = 10,142.39