Finding the Fourth Proportional to 33,281.16, 45,926.04 and 18,939

Step by Step Solution

1. Step 1: Write the proportion equation
   33,281.16 : 45,926.04 = 18,939 : x
2. Step 2: Convert to fraction form
   33,281.16/45,926.04 = 18,939/x
3. Step 3: Cross multiply
   33,281.16x = 45,926.04 × 18,939
4. Step 4: Simplify right side
   33,281.16x = 869,793,271.56
5. Step 5: Solve for x
   x = 869,793,271.56/33,281.16
6. Step 6: Final answer
   x = 26,134.70