Finding the Fourth Proportional to 45,636.89, 62,978.61 and 25,493.60

Step by Step Solution

1. Step 1: Write the proportion equation
   45,636.89 : 62,978.61 = 25,493.60 : x
2. Step 2: Convert to fraction form
   45,636.89/62,978.61 = 25,493.60/x
3. Step 3: Cross multiply
   45,636.89x = 62,978.61 × 25,493.60
4. Step 4: Simplify right side
   45,636.89x = 1,605,551,287.59
5. Step 5: Solve for x
   x = 1,605,551,287.59/45,636.89
6. Step 6: Final answer
   x = 35,181.00