Finding the Fourth Proportional to 122,528.27, 169,069.16 and 76,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,528.27 : 169,069.16 = 76,582.50 : x
2. Step 2: Convert to fraction form
   122,528.27/169,069.16 = 76,582.50/x
3. Step 3: Cross multiply
   122,528.27x = 169,069.16 × 76,582.50
4. Step 4: Simplify right side
   122,528.27x = 12,947,738,503.15
5. Step 5: Solve for x
   x = 12,947,738,503.15/122,528.27
6. Step 6: Final answer
   x = 105,671.44