Finding the Fourth Proportional to 76,856.50, 106,061.97 and 41,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,856.50 : 106,061.97 = 41,528.50 : x
2. Step 2: Convert to fraction form
   76,856.50/106,061.97 = 41,528.50/x
3. Step 3: Cross multiply
   76,856.50x = 106,061.97 × 41,528.50
4. Step 4: Simplify right side
   76,856.50x = 4,404,594,521.15
5. Step 5: Solve for x
   x = 4,404,594,521.15/76,856.50
6. Step 6: Final answer
   x = 57,309.33