Finding the Fourth Proportional to 77,457, 116,191.98 and 30,710.28

Step by Step Solution

1. Step 1: Write the proportion equation
   77,457 : 116,191.98 = 30,710.28 : x
2. Step 2: Convert to fraction form
   77,457/116,191.98 = 30,710.28/x
3. Step 3: Cross multiply
   77,457x = 116,191.98 × 30,710.28
4. Step 4: Simplify right side
   77,457x = 3,568,288,239.55
5. Step 5: Solve for x
   x = 3,568,288,239.55/77,457
6. Step 6: Final answer
   x = 46,067.99