Finding the Fourth Proportional to 47,036.20, 64,910.18 and 25,815.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,036.20 : 64,910.18 = 25,815.72 : x
2. Step 2: Convert to fraction form
   47,036.20/64,910.18 = 25,815.72/x
3. Step 3: Cross multiply
   47,036.20x = 64,910.18 × 25,815.72
4. Step 4: Simplify right side
   47,036.20x = 1,675,703,032.03
5. Step 5: Solve for x
   x = 1,675,703,032.03/47,036.20
6. Step 6: Final answer
   x = 35,625.82