Finding the Fourth Proportional to 71,621.07, 98,829.50 and 41,401.59

Step by Step Solution

1. Step 1: Write the proportion equation
   71,621.07 : 98,829.50 = 41,401.59 : x
2. Step 2: Convert to fraction form
   71,621.07/98,829.50 = 41,401.59/x
3. Step 3: Cross multiply
   71,621.07x = 98,829.50 × 41,401.59
4. Step 4: Simplify right side
   71,621.07x = 4,091,698,231.90
5. Step 5: Solve for x
   x = 4,091,698,231.90/71,621.07
6. Step 6: Final answer
   x = 57,129.81