Finding the Fourth Proportional to 28,608.25, 42,925.34 and 13,814.41

Step by Step Solution

1. Step 1: Write the proportion equation
   28,608.25 : 42,925.34 = 13,814.41 : x
2. Step 2: Convert to fraction form
   28,608.25/42,925.34 = 13,814.41/x
3. Step 3: Cross multiply
   28,608.25x = 42,925.34 × 13,814.41
4. Step 4: Simplify right side
   28,608.25x = 592,988,246.15
5. Step 5: Solve for x
   x = 592,988,246.15/28,608.25
6. Step 6: Final answer
   x = 20,727.88