Finding the Fourth Proportional to 76,613.92, 105,729.24 and 46,404.70

Step by Step Solution

1. Step 1: Write the proportion equation
   76,613.92 : 105,729.24 = 46,404.70 : x
2. Step 2: Convert to fraction form
   76,613.92/105,729.24 = 46,404.70/x
3. Step 3: Cross multiply
   76,613.92x = 105,729.24 × 46,404.70
4. Step 4: Simplify right side
   76,613.92x = 4,906,333,663.43
5. Step 5: Solve for x
   x = 4,906,333,663.43/76,613.92
6. Step 6: Final answer
   x = 64,039.72