Finding the Fourth Proportional to 35,620.56, 49,172.76 and 25,419.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,620.56 : 49,172.76 = 25,419.60 : x
2. Step 2: Convert to fraction form
   35,620.56/49,172.76 = 25,419.60/x
3. Step 3: Cross multiply
   35,620.56x = 49,172.76 × 25,419.60
4. Step 4: Simplify right side
   35,620.56x = 1,249,951,890.10
5. Step 5: Solve for x
   x = 1,249,951,890.10/35,620.56
6. Step 6: Final answer
   x = 35,090.74