Finding the Fourth Proportional to 73,158, 100,958.76 and 39,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,158 : 100,958.76 = 39,624.72 : x
2. Step 2: Convert to fraction form
   73,158/100,958.76 = 39,624.72/x
3. Step 3: Cross multiply
   73,158x = 100,958.76 × 39,624.72
4. Step 4: Simplify right side
   73,158x = 4,000,462,596.55
5. Step 5: Solve for x
   x = 4,000,462,596.55/73,158
6. Step 6: Final answer
   x = 54,682.50