Finding the Fourth Proportional to 46,518.01, 69,771.82 and 12,786.61

Step by Step Solution

1. Step 1: Write the proportion equation
   46,518.01 : 69,771.82 = 12,786.61 : x
2. Step 2: Convert to fraction form
   46,518.01/69,771.82 = 12,786.61/x
3. Step 3: Cross multiply
   46,518.01x = 69,771.82 × 12,786.61
4. Step 4: Simplify right side
   46,518.01x = 892,145,051.33
5. Step 5: Solve for x
   x = 892,145,051.33/46,518.01
6. Step 6: Final answer
   x = 19,178.49