Finding the Fourth Proportional to 82,921.33, 114,447.77 and 57,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,921.33 : 114,447.77 = 57,756.25 : x
2. Step 2: Convert to fraction form
   82,921.33/114,447.77 = 57,756.25/x
3. Step 3: Cross multiply
   82,921.33x = 114,447.77 × 57,756.25
4. Step 4: Simplify right side
   82,921.33x = 6,610,074,016.06
5. Step 5: Solve for x
   x = 6,610,074,016.06/82,921.33
6. Step 6: Final answer
   x = 79,715.00