Finding the Fourth Proportional to 143,662.80, 215,506.72 and 43,845.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,662.80 : 215,506.72 = 43,845.52 : x
2. Step 2: Convert to fraction form
   143,662.80/215,506.72 = 43,845.52/x
3. Step 3: Cross multiply
   143,662.80x = 215,506.72 × 43,845.52
4. Step 4: Simplify right side
   143,662.80x = 9,449,004,201.89
5. Step 5: Solve for x
   x = 9,449,004,201.89/143,662.80
6. Step 6: Final answer
   x = 65,772.10