Finding the Fourth Proportional to 76,016.17, 104,893.23 and 42,020.08

Step by Step Solution

1. Step 1: Write the proportion equation
   76,016.17 : 104,893.23 = 42,020.08 : x
2. Step 2: Convert to fraction form
   76,016.17/104,893.23 = 42,020.08/x
3. Step 3: Cross multiply
   76,016.17x = 104,893.23 × 42,020.08
4. Step 4: Simplify right side
   76,016.17x = 4,407,621,916.06
5. Step 5: Solve for x
   x = 4,407,621,916.06/76,016.17
6. Step 6: Final answer
   x = 57,982.69