Finding the Fourth Proportional to 81,457.27, 112,409.93 and 45,647.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,457.27 : 112,409.93 = 45,647.98 : x
2. Step 2: Convert to fraction form
   81,457.27/112,409.93 = 45,647.98/x
3. Step 3: Cross multiply
   81,457.27x = 112,409.93 × 45,647.98
4. Step 4: Simplify right side
   81,457.27x = 5,131,286,069.54
5. Step 5: Solve for x
   x = 5,131,286,069.54/81,457.27
6. Step 6: Final answer
   x = 62,993.59