Finding the Fourth Proportional to 30,897.05, 42,599.05 and 25,225.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,897.05 : 42,599.05 = 25,225.97 : x
2. Step 2: Convert to fraction form
   30,897.05/42,599.05 = 25,225.97/x
3. Step 3: Cross multiply
   30,897.05x = 42,599.05 × 25,225.97
4. Step 4: Simplify right side
   30,897.05x = 1,074,602,081.27
5. Step 5: Solve for x
   x = 1,074,602,081.27/30,897.05
6. Step 6: Final answer
   x = 34,780.09