Finding the Fourth Proportional to 67,109.52, 100,678.86 and 20,366.04

Step by Step Solution

1. Step 1: Write the proportion equation
   67,109.52 : 100,678.86 = 20,366.04 : x
2. Step 2: Convert to fraction form
   67,109.52/100,678.86 = 20,366.04/x
3. Step 3: Cross multiply
   67,109.52x = 100,678.86 × 20,366.04
4. Step 4: Simplify right side
   67,109.52x = 2,050,429,689.91
5. Step 5: Solve for x
   x = 2,050,429,689.91/67,109.52
6. Step 6: Final answer
   x = 30,553.48