Finding the Fourth Proportional to 42,806.73, 59,097.05 and 25,815.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,806.73 : 59,097.05 = 25,815.28 : x
2. Step 2: Convert to fraction form
   42,806.73/59,097.05 = 25,815.28/x
3. Step 3: Cross multiply
   42,806.73x = 59,097.05 × 25,815.28
4. Step 4: Simplify right side
   42,806.73x = 1,525,606,892.92
5. Step 5: Solve for x
   x = 1,525,606,892.92/42,806.73
6. Step 6: Final answer
   x = 35,639.42