Finding the Fourth Proportional to 85,890.72, 118,530.16 and 47,651.04

Step by Step Solution

1. Step 1: Write the proportion equation
   85,890.72 : 118,530.16 = 47,651.04 : x
2. Step 2: Convert to fraction form
   85,890.72/118,530.16 = 47,651.04/x
3. Step 3: Cross multiply
   85,890.72x = 118,530.16 × 47,651.04
4. Step 4: Simplify right side
   85,890.72x = 5,648,085,395.37
5. Step 5: Solve for x
   x = 5,648,085,395.37/85,890.72
6. Step 6: Final answer
   x = 65,758.97