Finding the Fourth Proportional to 81,777.60, 112,865.04 and 45,970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,777.60 : 112,865.04 = 45,970.56 : x
2. Step 2: Convert to fraction form
   81,777.60/112,865.04 = 45,970.56/x
3. Step 3: Cross multiply
   81,777.60x = 112,865.04 × 45,970.56
4. Step 4: Simplify right side
   81,777.60x = 5,188,469,093.22
5. Step 5: Solve for x
   x = 5,188,469,093.22/81,777.60
6. Step 6: Final answer
   x = 63,446.09