Finding the Fourth Proportional to 76,754.70, 105,914.25 and 42,759.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,754.70 : 105,914.25 = 42,759.72 : x
2. Step 2: Convert to fraction form
   76,754.70/105,914.25 = 42,759.72/x
3. Step 3: Cross multiply
   76,754.70x = 105,914.25 × 42,759.72
4. Step 4: Simplify right side
   76,754.70x = 4,528,863,674.01
5. Step 5: Solve for x
   x = 4,528,863,674.01/76,754.70
6. Step 6: Final answer
   x = 59,004.38