Finding the Fourth Proportional to 76,589.76, 105,622.56 and 49,703.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,589.76 : 105,622.56 = 49,703.52 : x
2. Step 2: Convert to fraction form
   76,589.76/105,622.56 = 49,703.52/x
3. Step 3: Cross multiply
   76,589.76x = 105,622.56 × 49,703.52
4. Step 4: Simplify right side
   76,589.76x = 5,249,813,023.41
5. Step 5: Solve for x
   x = 5,249,813,023.41/76,589.76
6. Step 6: Final answer
   x = 68,544.58