Finding the Fourth Proportional to 16,810.74, 25,214.49 and 5,124.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810.74 : 25,214.49 = 5,124.06 : x
2. Step 2: Convert to fraction form
   16,810.74/25,214.49 = 5,124.06/x
3. Step 3: Cross multiply
   16,810.74x = 25,214.49 × 5,124.06
4. Step 4: Simplify right side
   16,810.74x = 129,200,559.63
5. Step 5: Solve for x
   x = 129,200,559.63/16,810.74
6. Step 6: Final answer
   x = 7,685.60