Finding the Fourth Proportional to 47,050.57, 64,929.86 and 25,540.31

Step by Step Solution

1. Step 1: Write the proportion equation
   47,050.57 : 64,929.86 = 25,540.31 : x
2. Step 2: Convert to fraction form
   47,050.57/64,929.86 = 25,540.31/x
3. Step 3: Cross multiply
   47,050.57x = 64,929.86 × 25,540.31
4. Step 4: Simplify right side
   47,050.57x = 1,658,328,752.66
5. Step 5: Solve for x
   x = 1,658,328,752.66/47,050.57
6. Step 6: Final answer
   x = 35,245.67