Finding the Fourth Proportional to 53,016.81, 73,132.92 and 45,561.57

Step by Step Solution

1. Step 1: Write the proportion equation
   53,016.81 : 73,132.92 = 45,561.57 : x
2. Step 2: Convert to fraction form
   53,016.81/73,132.92 = 45,561.57/x
3. Step 3: Cross multiply
   53,016.81x = 73,132.92 × 45,561.57
4. Step 4: Simplify right side
   53,016.81x = 3,332,050,653.88
5. Step 5: Solve for x
   x = 3,332,050,653.88/53,016.81
6. Step 6: Final answer
   x = 62,848.95