Finding the Fourth Proportional to 82,771.83, 114,145.71 and 55,609.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,771.83 : 114,145.71 = 55,609.29 : x
2. Step 2: Convert to fraction form
   82,771.83/114,145.71 = 55,609.29/x
3. Step 3: Cross multiply
   82,771.83x = 114,145.71 × 55,609.29
4. Step 4: Simplify right side
   82,771.83x = 6,347,561,457.94
5. Step 5: Solve for x
   x = 6,347,561,457.94/82,771.83
6. Step 6: Final answer
   x = 76,687.47