Finding the Fourth Proportional to 71,077.58, 98,086.41 and 39,245.79

Step by Step Solution

1. Step 1: Write the proportion equation
   71,077.58 : 98,086.41 = 39,245.79 : x
2. Step 2: Convert to fraction form
   71,077.58/98,086.41 = 39,245.79/x
3. Step 3: Cross multiply
   71,077.58x = 98,086.41 × 39,245.79
4. Step 4: Simplify right side
   71,077.58x = 3,849,478,648.71
5. Step 5: Solve for x
   x = 3,849,478,648.71/71,077.58
6. Step 6: Final answer
   x = 54,158.83