Finding the Fourth Proportional to 67,929.57, 101,861.58 and 28,476.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,929.57 : 101,861.58 = 28,476.09 : x
2. Step 2: Convert to fraction form
   67,929.57/101,861.58 = 28,476.09/x
3. Step 3: Cross multiply
   67,929.57x = 101,861.58 × 28,476.09
4. Step 4: Simplify right side
   67,929.57x = 2,900,619,626.41
5. Step 5: Solve for x
   x = 2,900,619,626.41/67,929.57
6. Step 6: Final answer
   x = 42,700.40