Finding the Fourth Proportional to 81,574.86, 112,577.94 and 45,768

Step by Step Solution

1. Step 1: Write the proportion equation
   81,574.86 : 112,577.94 = 45,768 : x
2. Step 2: Convert to fraction form
   81,574.86/112,577.94 = 45,768/x
3. Step 3: Cross multiply
   81,574.86x = 112,577.94 × 45,768
4. Step 4: Simplify right side
   81,574.86x = 5,152,467,157.92
5. Step 5: Solve for x
   x = 5,152,467,157.92/81,574.86
6. Step 6: Final answer
   x = 63,162.44