Finding the Fourth Proportional to 49,365.72, 73,982.97 and 42,760.98

Step by Step Solution

1. Step 1: Write the proportion equation
   49,365.72 : 73,982.97 = 42,760.98 : x
2. Step 2: Convert to fraction form
   49,365.72/73,982.97 = 42,760.98/x
3. Step 3: Cross multiply
   49,365.72x = 73,982.97 × 42,760.98
4. Step 4: Simplify right side
   49,365.72x = 3,163,584,300.51
5. Step 5: Solve for x
   x = 3,163,584,300.51/49,365.72
6. Step 6: Final answer
   x = 64,084.64