Finding the Fourth Proportional to 10,856.67, 16,285.14 and 3,461.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.67 : 16,285.14 = 3,461.10 : x
2. Step 2: Convert to fraction form
   10,856.67/16,285.14 = 3,461.10/x
3. Step 3: Cross multiply
   10,856.67x = 16,285.14 × 3,461.10
4. Step 4: Simplify right side
   10,856.67x = 56,364,498.05
5. Step 5: Solve for x
   x = 56,364,498.05/10,856.67
6. Step 6: Final answer
   x = 5,191.69