Finding the Fourth Proportional to 12,051.56, 18,072.48 and 3,729.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.56 : 18,072.48 = 3,729.62 : x
2. Step 2: Convert to fraction form
   12,051.56/18,072.48 = 3,729.62/x
3. Step 3: Cross multiply
   12,051.56x = 18,072.48 × 3,729.62
4. Step 4: Simplify right side
   12,051.56x = 67,403,482.86
5. Step 5: Solve for x
   x = 67,403,482.86/12,051.56
6. Step 6: Final answer
   x = 5,592.93