Finding the Fourth Proportional to 30,834.68, 42,522.98 and 20,468.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,834.68 : 42,522.98 = 20,468.10 : x
2. Step 2: Convert to fraction form
   30,834.68/42,522.98 = 20,468.10/x
3. Step 3: Cross multiply
   30,834.68x = 42,522.98 × 20,468.10
4. Step 4: Simplify right side
   30,834.68x = 870,364,606.94
5. Step 5: Solve for x
   x = 870,364,606.94/30,834.68
6. Step 6: Final answer
   x = 28,226.81