Finding the Fourth Proportional to 143,529.48, 215,293.98 and 48,769.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,529.48 : 215,293.98 = 48,769.52 : x
2. Step 2: Convert to fraction form
   143,529.48/215,293.98 = 48,769.52/x
3. Step 3: Cross multiply
   143,529.48x = 215,293.98 × 48,769.52
4. Step 4: Simplify right side
   143,529.48x = 10,499,784,063.49
5. Step 5: Solve for x
   x = 10,499,784,063.49/143,529.48
6. Step 6: Final answer
   x = 73,154.20