Finding the Fourth Proportional to 79,700.51, 119,620.49 and 42,288.23

Step by Step Solution

1. Step 1: Write the proportion equation
   79,700.51 : 119,620.49 = 42,288.23 : x
2. Step 2: Convert to fraction form
   79,700.51/119,620.49 = 42,288.23/x
3. Step 3: Cross multiply
   79,700.51x = 119,620.49 × 42,288.23
4. Step 4: Simplify right side
   79,700.51x = 5,058,537,984.29
5. Step 5: Solve for x
   x = 5,058,537,984.29/79,700.51
6. Step 6: Final answer
   x = 63,469.33