Finding the Fourth Proportional to 47,215.98, 65,156.78 and 25,995.40

Step by Step Solution

1. Step 1: Write the proportion equation
   47,215.98 : 65,156.78 = 25,995.40 : x
2. Step 2: Convert to fraction form
   47,215.98/65,156.78 = 25,995.40/x
3. Step 3: Cross multiply
   47,215.98x = 65,156.78 × 25,995.40
4. Step 4: Simplify right side
   47,215.98x = 1,693,776,558.81
5. Step 5: Solve for x
   x = 1,693,776,558.81/47,215.98
6. Step 6: Final answer
   x = 35,872.95