Finding the Fourth Proportional to 81,503.82, 112,475.18 and 45,693.84

Step by Step Solution

1. Step 1: Write the proportion equation
   81,503.82 : 112,475.18 = 45,693.84 : x
2. Step 2: Convert to fraction form
   81,503.82/112,475.18 = 45,693.84/x
3. Step 3: Cross multiply
   81,503.82x = 112,475.18 × 45,693.84
4. Step 4: Simplify right side
   81,503.82x = 5,139,422,878.89
5. Step 5: Solve for x
   x = 5,139,422,878.89/81,503.82
6. Step 6: Final answer
   x = 63,057.45