Finding the Fourth Proportional to 30,819.39, 42,492.04 and 25,148.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,819.39 : 42,492.04 = 25,148.37 : x
2. Step 2: Convert to fraction form
   30,819.39/42,492.04 = 25,148.37/x
3. Step 3: Cross multiply
   30,819.39x = 42,492.04 × 25,148.37
4. Step 4: Simplify right side
   30,819.39x = 1,068,605,781.91
5. Step 5: Solve for x
   x = 1,068,605,781.91/30,819.39
6. Step 6: Final answer
   x = 34,673.17