Finding the Fourth Proportional to 82,809.22, 114,410.33 and 57,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,809.22 : 114,410.33 = 57,770.50 : x
2. Step 2: Convert to fraction form
   82,809.22/114,410.33 = 57,770.50/x
3. Step 3: Cross multiply
   82,809.22x = 114,410.33 × 57,770.50
4. Step 4: Simplify right side
   82,809.22x = 6,609,541,969.27
5. Step 5: Solve for x
   x = 6,609,541,969.27/82,809.22
6. Step 6: Final answer
   x = 79,816.50