Finding the Fourth Proportional to 83,885.67, 125,856.18 and 34,007.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,885.67 : 125,856.18 = 34,007.72 : x
2. Step 2: Convert to fraction form
   83,885.67/125,856.18 = 34,007.72/x
3. Step 3: Cross multiply
   83,885.67x = 125,856.18 × 34,007.72
4. Step 4: Simplify right side
   83,885.67x = 4,280,081,100.43
5. Step 5: Solve for x
   x = 4,280,081,100.43/83,885.67
6. Step 6: Final answer
   x = 51,022.79