Finding the Fourth Proportional to 34,367.82, 51,537.15 and 12,186.78

Step by Step Solution

1. Step 1: Write the proportion equation
   34,367.82 : 51,537.15 = 12,186.78 : x
2. Step 2: Convert to fraction form
   34,367.82/51,537.15 = 12,186.78/x
3. Step 3: Cross multiply
   34,367.82x = 51,537.15 × 12,186.78
4. Step 4: Simplify right side
   34,367.82x = 628,071,908.88
5. Step 5: Solve for x
   x = 628,071,908.88/34,367.82
6. Step 6: Final answer
   x = 18,275.00