Finding the Fourth Proportional to 143,947.27, 215,946.31 and 49,155.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,947.27 : 215,946.31 = 49,155.24 : x
2. Step 2: Convert to fraction form
   143,947.27/215,946.31 = 49,155.24/x
3. Step 3: Cross multiply
   143,947.27x = 215,946.31 × 49,155.24
4. Step 4: Simplify right side
   143,947.27x = 10,614,892,572.28
5. Step 5: Solve for x
   x = 10,614,892,572.28/143,947.27
6. Step 6: Final answer
   x = 73,741.54