Finding the Fourth Proportional to 76,093.50, 105,009.39 and 42,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,093.50 : 105,009.39 = 42,559.50 : x
2. Step 2: Convert to fraction form
   76,093.50/105,009.39 = 42,559.50/x
3. Step 3: Cross multiply
   76,093.50x = 105,009.39 × 42,559.50
4. Step 4: Simplify right side
   76,093.50x = 4,469,147,133.71
5. Step 5: Solve for x
   x = 4,469,147,133.71/76,093.50
6. Step 6: Final answer
   x = 58,732.31