Finding the Fourth Proportional to 16,031.86, 24,015.12 and 7,686.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.86 : 24,015.12 = 7,686.43 : x
2. Step 2: Convert to fraction form
   16,031.86/24,015.12 = 7,686.43/x
3. Step 3: Cross multiply
   16,031.86x = 24,015.12 × 7,686.43
4. Step 4: Simplify right side
   16,031.86x = 184,590,538.82
5. Step 5: Solve for x
   x = 184,590,538.82/16,031.86
6. Step 6: Final answer
   x = 11,513.98