Finding the Fourth Proportional to 53,494.48, 73,743.69 and 40,725.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,494.48 : 73,743.69 = 40,725.37 : x
2. Step 2: Convert to fraction form
   53,494.48/73,743.69 = 40,725.37/x
3. Step 3: Cross multiply
   53,494.48x = 73,743.69 × 40,725.37
4. Step 4: Simplify right side
   53,494.48x = 3,003,239,060.42
5. Step 5: Solve for x
   x = 3,003,239,060.42/53,494.48
6. Step 6: Final answer
   x = 56,141.10