Finding the Fourth Proportional to 71,280.19, 98,388.58 and 41,085.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71,280.19 : 98,388.58 = 41,085.69 : x
2. Step 2: Convert to fraction form
   71,280.19/98,388.58 = 41,085.69/x
3. Step 3: Cross multiply
   71,280.19x = 98,388.58 × 41,085.69
4. Step 4: Simplify right side
   71,280.19x = 4,042,362,205.48
5. Step 5: Solve for x
   x = 4,042,362,205.48/71,280.19
6. Step 6: Final answer
   x = 56,710.88