Finding the Fourth Proportional to 71,144.82, 106,485.57 and 52,417.35

Step by Step Solution

1. Step 1: Write the proportion equation
   71,144.82 : 106,485.57 = 52,417.35 : x
2. Step 2: Convert to fraction form
   71,144.82/106,485.57 = 52,417.35/x
3. Step 3: Cross multiply
   71,144.82x = 106,485.57 × 52,417.35
4. Step 4: Simplify right side
   71,144.82x = 5,581,691,392.64
5. Step 5: Solve for x
   x = 5,581,691,392.64/71,144.82
6. Step 6: Final answer
   x = 78,455.34