Finding the Fourth Proportional to 76,570.71, 105,662.37 and 46,372.80

Step by Step Solution

1. Step 1: Write the proportion equation
   76,570.71 : 105,662.37 = 46,372.80 : x
2. Step 2: Convert to fraction form
   76,570.71/105,662.37 = 46,372.80/x
3. Step 3: Cross multiply
   76,570.71x = 105,662.37 × 46,372.80
4. Step 4: Simplify right side
   76,570.71x = 4,899,859,951.54
5. Step 5: Solve for x
   x = 4,899,859,951.54/76,570.71
6. Step 6: Final answer
   x = 63,991.31