Finding the Fourth Proportional to 73,809.72, 110,529.42 and 45,613.86

Step by Step Solution

1. Step 1: Write the proportion equation
   73,809.72 : 110,529.42 = 45,613.86 : x
2. Step 2: Convert to fraction form
   73,809.72/110,529.42 = 45,613.86/x
3. Step 3: Cross multiply
   73,809.72x = 110,529.42 × 45,613.86
4. Step 4: Simplify right side
   73,809.72x = 5,041,673,489.76
5. Step 5: Solve for x
   x = 5,041,673,489.76/73,809.72
6. Step 6: Final answer
   x = 68,306.36