Finding the Fourth Proportional to 160,738.98, 241,002.09 and 71,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   160,738.98 : 241,002.09 = 71,870.10 : x
2. Step 2: Convert to fraction form
   160,738.98/241,002.09 = 71,870.10/x
3. Step 3: Cross multiply
   160,738.98x = 241,002.09 × 71,870.10
4. Step 4: Simplify right side
   160,738.98x = 17,320,844,308.51
5. Step 5: Solve for x
   x = 17,320,844,308.51/160,738.98
6. Step 6: Final answer
   x = 107,757.59