Finding the Fourth Proportional to 79,469.51, 119,202.91 and 42,021.59

Step by Step Solution

1. Step 1: Write the proportion equation
   79,469.51 : 119,202.91 = 42,021.59 : x
2. Step 2: Convert to fraction form
   79,469.51/119,202.91 = 42,021.59/x
3. Step 3: Cross multiply
   79,469.51x = 119,202.91 × 42,021.59
4. Step 4: Simplify right side
   79,469.51x = 5,009,095,109.76
5. Step 5: Solve for x
   x = 5,009,095,109.76/79,469.51
6. Step 6: Final answer
   x = 63,031.66