Finding the Fourth Proportional to 82,128.06, 113,328.23 and 60,629.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.06 : 113,328.23 = 60,629.22 : x
2. Step 2: Convert to fraction form
   82,128.06/113,328.23 = 60,629.22/x
3. Step 3: Cross multiply
   82,128.06x = 113,328.23 × 60,629.22
4. Step 4: Simplify right side
   82,128.06x = 6,871,001,885.73
5. Step 5: Solve for x
   x = 6,871,001,885.73/82,128.06
6. Step 6: Final answer
   x = 83,662.05