Finding the Fourth Proportional to 76,743.65, 105,904.79 and 42,754.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,743.65 : 105,904.79 = 42,754.94 : x
2. Step 2: Convert to fraction form
   76,743.65/105,904.79 = 42,754.94/x
3. Step 3: Cross multiply
   76,743.65x = 105,904.79 × 42,754.94
4. Step 4: Simplify right side
   76,743.65x = 4,527,952,198.86
5. Step 5: Solve for x
   x = 4,527,952,198.86/76,743.65
6. Step 6: Final answer
   x = 59,001.01