Finding the Fourth Proportional to 16,185.64, 24,293.86 and 7,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.64 : 24,293.86 = 7,870.18 : x
2. Step 2: Convert to fraction form
   16,185.64/24,293.86 = 7,870.18/x
3. Step 3: Cross multiply
   16,185.64x = 24,293.86 × 7,870.18
4. Step 4: Simplify right side
   16,185.64x = 191,197,051.09
5. Step 5: Solve for x
   x = 191,197,051.09/16,185.64
6. Step 6: Final answer
   x = 11,812.76