Finding the Fourth Proportional to 85,308.17, 117,725.69 and 47,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,308.17 : 117,725.69 = 47,067.72 : x
2. Step 2: Convert to fraction form
   85,308.17/117,725.69 = 47,067.72/x
3. Step 3: Cross multiply
   85,308.17x = 117,725.69 × 47,067.72
4. Step 4: Simplify right side
   85,308.17x = 5,541,078,989.76
5. Step 5: Solve for x
   x = 5,541,078,989.76/85,308.17
6. Step 6: Final answer
   x = 64,953.67