Finding the Fourth Proportional to 16,385.80, 24,570.04 and 7,141

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.80 : 24,570.04 = 7,141 : x
2. Step 2: Convert to fraction form
   16,385.80/24,570.04 = 7,141/x
3. Step 3: Cross multiply
   16,385.80x = 24,570.04 × 7,141
4. Step 4: Simplify right side
   16,385.80x = 175,454,655.64
5. Step 5: Solve for x
   x = 175,454,655.64/16,385.80
6. Step 6: Final answer
   x = 10,707.73