Finding the Fourth Proportional to 33,238.76, 45,869.69 and 18,131.65

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.76 : 45,869.69 = 18,131.65 : x
2. Step 2: Convert to fraction form
   33,238.76/45,869.69 = 18,131.65/x
3. Step 3: Cross multiply
   33,238.76x = 45,869.69 × 18,131.65
4. Step 4: Simplify right side
   33,238.76x = 831,693,095.34
5. Step 5: Solve for x
   x = 831,693,095.34/33,238.76
6. Step 6: Final answer
   x = 25,021.79