Finding the Fourth Proportional to 7,856.58, 10,776.28 and 7,433.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,856.58 : 10,776.28 = 7,433.76 : x
2. Step 2: Convert to fraction form
   7,856.58/10,776.28 = 7,433.76/x
3. Step 3: Cross multiply
   7,856.58x = 10,776.28 × 7,433.76
4. Step 4: Simplify right side
   7,856.58x = 80,108,279.21
5. Step 5: Solve for x
   x = 80,108,279.21/7,856.58
6. Step 6: Final answer
   x = 10,196.33