Finding the Fourth Proportional to 50,340, 75,510.24 and 13,404

Step by Step Solution

1. Step 1: Write the proportion equation
   50,340 : 75,510.24 = 13,404 : x
2. Step 2: Convert to fraction form
   50,340/75,510.24 = 13,404/x
3. Step 3: Cross multiply
   50,340x = 75,510.24 × 13,404
4. Step 4: Simplify right side
   50,340x = 1,012,139,256.96
5. Step 5: Solve for x
   x = 1,012,139,256.96/50,340
6. Step 6: Final answer
   x = 20,106.06