Finding the Fourth Proportional to 48,406.23, 72,613.83 and 18,826.29

Step by Step Solution

1. Step 1: Write the proportion equation
   48,406.23 : 72,613.83 = 18,826.29 : x
2. Step 2: Convert to fraction form
   48,406.23/72,613.83 = 18,826.29/x
3. Step 3: Cross multiply
   48,406.23x = 72,613.83 × 18,826.29
4. Step 4: Simplify right side
   48,406.23x = 1,367,049,021.59
5. Step 5: Solve for x
   x = 1,367,049,021.59/48,406.23
6. Step 6: Final answer
   x = 28,241.18