Finding the Fourth Proportional to 16,810.32, 23,191.56 and 10,518.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810.32 : 23,191.56 = 10,518.48 : x
2. Step 2: Convert to fraction form
   16,810.32/23,191.56 = 10,518.48/x
3. Step 3: Cross multiply
   16,810.32x = 23,191.56 × 10,518.48
4. Step 4: Simplify right side
   16,810.32x = 243,939,960.03
5. Step 5: Solve for x
   x = 243,939,960.03/16,810.32
6. Step 6: Final answer
   x = 14,511.32