Finding the Fourth Proportional to 71,119.92, 98,071.83 and 61,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,119.92 : 98,071.83 = 61,081.56 : x
2. Step 2: Convert to fraction form
   71,119.92/98,071.83 = 61,081.56/x
3. Step 3: Cross multiply
   71,119.92x = 98,071.83 × 61,081.56
4. Step 4: Simplify right side
   71,119.92x = 5,990,380,368.45
5. Step 5: Solve for x
   x = 5,990,380,368.45/71,119.92
6. Step 6: Final answer
   x = 84,229.29