Finding the Fourth Proportional to 71,290.86, 98,391.74 and 41,070.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,290.86 : 98,391.74 = 41,070.30 : x
2. Step 2: Convert to fraction form
   71,290.86/98,391.74 = 41,070.30/x
3. Step 3: Cross multiply
   71,290.86x = 98,391.74 × 41,070.30
4. Step 4: Simplify right side
   71,290.86x = 4,040,978,279.32
5. Step 5: Solve for x
   x = 4,040,978,279.32/71,290.86
6. Step 6: Final answer
   x = 56,682.98