Finding the Fourth Proportional to 51,870.85, 71,588.68 and 30,367.17

Step by Step Solution

1. Step 1: Write the proportion equation
   51,870.85 : 71,588.68 = 30,367.17 : x
2. Step 2: Convert to fraction form
   51,870.85/71,588.68 = 30,367.17/x
3. Step 3: Cross multiply
   51,870.85x = 71,588.68 × 30,367.17
4. Step 4: Simplify right side
   51,870.85x = 2,173,945,539.72
5. Step 5: Solve for x
   x = 2,173,945,539.72/51,870.85
6. Step 6: Final answer
   x = 41,910.74