Finding the Fourth Proportional to 71,462, 98,620.56 and 39,630.92

Step by Step Solution

1. Step 1: Write the proportion equation
   71,462 : 98,620.56 = 39,630.92 : x
2. Step 2: Convert to fraction form
   71,462/98,620.56 = 39,630.92/x
3. Step 3: Cross multiply
   71,462x = 98,620.56 × 39,630.92
4. Step 4: Simplify right side
   71,462x = 3,908,423,523.72
5. Step 5: Solve for x
   x = 3,908,423,523.72/71,462
6. Step 6: Final answer
   x = 54,692.33