Finding the Fourth Proportional to 40,558.50, 60,840.51 and 12,476.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,558.50 : 60,840.51 = 12,476.82 : x
2. Step 2: Convert to fraction form
   40,558.50/60,840.51 = 12,476.82/x
3. Step 3: Cross multiply
   40,558.50x = 60,840.51 × 12,476.82
4. Step 4: Simplify right side
   40,558.50x = 759,096,091.98
5. Step 5: Solve for x
   x = 759,096,091.98/40,558.50
6. Step 6: Final answer
   x = 18,716.08