Finding the Fourth Proportional to 47,028.78, 64,903.78 and 25,812.18

Step by Step Solution

1. Step 1: Write the proportion equation
   47,028.78 : 64,903.78 = 25,812.18 : x
2. Step 2: Convert to fraction form
   47,028.78/64,903.78 = 25,812.18/x
3. Step 3: Cross multiply
   47,028.78x = 64,903.78 × 25,812.18
4. Step 4: Simplify right side
   47,028.78x = 1,675,308,052.04
5. Step 5: Solve for x
   x = 1,675,308,052.04/47,028.78
6. Step 6: Final answer
   x = 35,623.04