Finding the Fourth Proportional to 71,119.89, 98,147.37 and 42,456.18

Step by Step Solution

1. Step 1: Write the proportion equation
   71,119.89 : 98,147.37 = 42,456.18 : x
2. Step 2: Convert to fraction form
   71,119.89/98,147.37 = 42,456.18/x
3. Step 3: Cross multiply
   71,119.89x = 98,147.37 × 42,456.18
4. Step 4: Simplify right side
   71,119.89x = 4,166,962,407.25
5. Step 5: Solve for x
   x = 4,166,962,407.25/71,119.89
6. Step 6: Final answer
   x = 58,590.68