Finding the Fourth Proportional to 34,131.08, 51,196.62 and 13,340

Step by Step Solution

1. Step 1: Write the proportion equation
   34,131.08 : 51,196.62 = 13,340 : x
2. Step 2: Convert to fraction form
   34,131.08/51,196.62 = 13,340/x
3. Step 3: Cross multiply
   34,131.08x = 51,196.62 × 13,340
4. Step 4: Simplify right side
   34,131.08x = 682,962,910.80
5. Step 5: Solve for x
   x = 682,962,910.80/34,131.08
6. Step 6: Final answer
   x = 20,010