Finding the Fourth Proportional to 47,018.71, 64,885.40 and 25,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,018.71 : 64,885.40 = 25,508.42 : x
2. Step 2: Convert to fraction form
   47,018.71/64,885.40 = 25,508.42/x
3. Step 3: Cross multiply
   47,018.71x = 64,885.40 × 25,508.42
4. Step 4: Simplify right side
   47,018.71x = 1,655,123,710.64
5. Step 5: Solve for x
   x = 1,655,123,710.64/47,018.71
6. Step 6: Final answer
   x = 35,201.39