Finding the Fourth Proportional to 12,284.56, 16,946.34 and 8,307.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,284.56 : 16,946.34 = 8,307.10 : x
2. Step 2: Convert to fraction form
   12,284.56/16,946.34 = 8,307.10/x
3. Step 3: Cross multiply
   12,284.56x = 16,946.34 × 8,307.10
4. Step 4: Simplify right side
   12,284.56x = 140,774,941.01
5. Step 5: Solve for x
   x = 140,774,941.01/12,284.56
6. Step 6: Final answer
   x = 11,459.50