Finding the Fourth Proportional to 71,582.23, 98,783.67 and 39,751.15

Step by Step Solution

1. Step 1: Write the proportion equation
   71,582.23 : 98,783.67 = 39,751.15 : x
2. Step 2: Convert to fraction form
   71,582.23/98,783.67 = 39,751.15/x
3. Step 3: Cross multiply
   71,582.23x = 98,783.67 × 39,751.15
4. Step 4: Simplify right side
   71,582.23x = 3,926,764,483.72
5. Step 5: Solve for x
   x = 3,926,764,483.72/71,582.23
6. Step 6: Final answer
   x = 54,856.69