Finding the Fourth Proportional to 11,856.76, 16,362.46 and 7,672.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856.76 : 16,362.46 = 7,672.30 : x
2. Step 2: Convert to fraction form
   11,856.76/16,362.46 = 7,672.30/x
3. Step 3: Cross multiply
   11,856.76x = 16,362.46 × 7,672.30
4. Step 4: Simplify right side
   11,856.76x = 125,537,701.86
5. Step 5: Solve for x
   x = 125,537,701.86/11,856.76
6. Step 6: Final answer
   x = 10,587.86