Finding the Fourth Proportional to 47,111.21, 65,012.70 and 25,890.02

Step by Step Solution

1. Step 1: Write the proportion equation
   47,111.21 : 65,012.70 = 25,890.02 : x
2. Step 2: Convert to fraction form
   47,111.21/65,012.70 = 25,890.02/x
3. Step 3: Cross multiply
   47,111.21x = 65,012.70 × 25,890.02
4. Step 4: Simplify right side
   47,111.21x = 1,683,180,103.25
5. Step 5: Solve for x
   x = 1,683,180,103.25/47,111.21
6. Step 6: Final answer
   x = 35,727.80