Finding the Fourth Proportional to 34,182, 51,297.30 and 13,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,182 : 51,297.30 = 13,405.50 : x
2. Step 2: Convert to fraction form
   34,182/51,297.30 = 13,405.50/x
3. Step 3: Cross multiply
   34,182x = 51,297.30 × 13,405.50
4. Step 4: Simplify right side
   34,182x = 687,665,955.15
5. Step 5: Solve for x
   x = 687,665,955.15/34,182
6. Step 6: Final answer
   x = 20,117.78