Finding the Fourth Proportional to 143,382.72, 215,073.60 and 36,766.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,382.72 : 215,073.60 = 36,766.56 : x
2. Step 2: Convert to fraction form
   143,382.72/215,073.60 = 36,766.56/x
3. Step 3: Cross multiply
   143,382.72x = 215,073.60 × 36,766.56
4. Step 4: Simplify right side
   143,382.72x = 7,907,516,418.82
5. Step 5: Solve for x
   x = 7,907,516,418.82/143,382.72
6. Step 6: Final answer
   x = 55,149.72