Finding the Fourth Proportional to 16,856.01, 23,260.93 and 9,302.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.01 : 23,260.93 = 9,302.05 : x
2. Step 2: Convert to fraction form
   16,856.01/23,260.93 = 9,302.05/x
3. Step 3: Cross multiply
   16,856.01x = 23,260.93 × 9,302.05
4. Step 4: Simplify right side
   16,856.01x = 216,374,333.91
5. Step 5: Solve for x
   x = 216,374,333.91/16,856.01
6. Step 6: Final answer
   x = 12,836.63