Finding the Fourth Proportional to 70,046.65, 96,636.72 and 43,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,046.65 : 96,636.72 = 43,142.50 : x
2. Step 2: Convert to fraction form
   70,046.65/96,636.72 = 43,142.50/x
3. Step 3: Cross multiply
   70,046.65x = 96,636.72 × 43,142.50
4. Step 4: Simplify right side
   70,046.65x = 4,169,149,692.60
5. Step 5: Solve for x
   x = 4,169,149,692.60/70,046.65
6. Step 6: Final answer
   x = 59,519.62