Finding the Fourth Proportional to 35,768.17, 53,661.98 and 12,396.43

Step by Step Solution

1. Step 1: Write the proportion equation
   35,768.17 : 53,661.98 = 12,396.43 : x
2. Step 2: Convert to fraction form
   35,768.17/53,661.98 = 12,396.43/x
3. Step 3: Cross multiply
   35,768.17x = 53,661.98 × 12,396.43
4. Step 4: Simplify right side
   35,768.17x = 665,216,978.73
5. Step 5: Solve for x
   x = 665,216,978.73/35,768.17
6. Step 6: Final answer
   x = 18,598.02