Finding the Fourth Proportional to 12,982.68, 17,922.98 and 10,402.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982.68 : 17,922.98 = 10,402.35 : x
2. Step 2: Convert to fraction form
   12,982.68/17,922.98 = 10,402.35/x
3. Step 3: Cross multiply
   12,982.68x = 17,922.98 × 10,402.35
4. Step 4: Simplify right side
   12,982.68x = 186,441,111.00
5. Step 5: Solve for x
   x = 186,441,111.00/12,982.68
6. Step 6: Final answer
   x = 14,360.76