Finding the Fourth Proportional to 67,071.52, 100,616.94 and 20,328.04

Step by Step Solution

1. Step 1: Write the proportion equation
   67,071.52 : 100,616.94 = 20,328.04 : x
2. Step 2: Convert to fraction form
   67,071.52/100,616.94 = 20,328.04/x
3. Step 3: Cross multiply
   67,071.52x = 100,616.94 × 20,328.04
4. Step 4: Simplify right side
   67,071.52x = 2,045,345,181.00
5. Step 5: Solve for x
   x = 2,045,345,181.00/67,071.52
6. Step 6: Final answer
   x = 30,494.99