Finding the Fourth Proportional to 81,618.82, 112,633.96 and 45,808.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,618.82 : 112,633.96 = 45,808.83 : x
2. Step 2: Convert to fraction form
   81,618.82/112,633.96 = 45,808.83/x
3. Step 3: Cross multiply
   81,618.82x = 112,633.96 × 45,808.83
4. Step 4: Simplify right side
   81,618.82x = 5,159,629,362.70
5. Step 5: Solve for x
   x = 5,159,629,362.70/81,618.82
6. Step 6: Final answer
   x = 63,216.18