Finding the Fourth Proportional to 53,834.08, 80,756.50 and 20,582.12

Step by Step Solution

1. Step 1: Write the proportion equation
   53,834.08 : 80,756.50 = 20,582.12 : x
2. Step 2: Convert to fraction form
   53,834.08/80,756.50 = 20,582.12/x
3. Step 3: Cross multiply
   53,834.08x = 80,756.50 × 20,582.12
4. Step 4: Simplify right side
   53,834.08x = 1,662,139,973.78
5. Step 5: Solve for x
   x = 1,662,139,973.78/53,834.08
6. Step 6: Final answer
   x = 30,875.24