Finding the Fourth Proportional to 81,674.76, 112,707.52 and 45,864.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,674.76 : 112,707.52 = 45,864.12 : x
2. Step 2: Convert to fraction form
   81,674.76/112,707.52 = 45,864.12/x
3. Step 3: Cross multiply
   81,674.76x = 112,707.52 × 45,864.12
4. Step 4: Simplify right side
   81,674.76x = 5,169,231,222.18
5. Step 5: Solve for x
   x = 5,169,231,222.18/81,674.76
6. Step 6: Final answer
   x = 63,290.44