Finding the Fourth Proportional to 143,566.49, 215,359.63 and 48,757.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,566.49 : 215,359.63 = 48,757.98 : x
2. Step 2: Convert to fraction form
   143,566.49/215,359.63 = 48,757.98/x
3. Step 3: Cross multiply
   143,566.49x = 215,359.63 × 48,757.98
4. Step 4: Simplify right side
   143,566.49x = 10,500,501,218.05
5. Step 5: Solve for x
   x = 10,500,501,218.05/143,566.49
6. Step 6: Final answer
   x = 73,140.33