Finding the Fourth Proportional to 40,123.98, 60,185.82 and 12,043.91

Step by Step Solution

1. Step 1: Write the proportion equation
   40,123.98 : 60,185.82 = 12,043.91 : x
2. Step 2: Convert to fraction form
   40,123.98/60,185.82 = 12,043.91/x
3. Step 3: Cross multiply
   40,123.98x = 60,185.82 × 12,043.91
4. Step 4: Simplify right side
   40,123.98x = 724,872,599.36
5. Step 5: Solve for x
   x = 724,872,599.36/40,123.98
6. Step 6: Final answer
   x = 18,065.82