Finding the Fourth Proportional to 81,754.16, 112,830.76 and 45,945.68

Step by Step Solution

1. Step 1: Write the proportion equation
   81,754.16 : 112,830.76 = 45,945.68 : x
2. Step 2: Convert to fraction form
   81,754.16/112,830.76 = 45,945.68/x
3. Step 3: Cross multiply
   81,754.16x = 112,830.76 × 45,945.68
4. Step 4: Simplify right side
   81,754.16x = 5,184,085,993.12
5. Step 5: Solve for x
   x = 5,184,085,993.12/81,754.16
6. Step 6: Final answer
   x = 63,410.67