Finding the Fourth Proportional to 85,401.38, 117,855.72 and 47,675.63

Step by Step Solution

1. Step 1: Write the proportion equation
   85,401.38 : 117,855.72 = 47,675.63 : x
2. Step 2: Convert to fraction form
   85,401.38/117,855.72 = 47,675.63/x
3. Step 3: Cross multiply
   85,401.38x = 117,855.72 × 47,675.63
4. Step 4: Simplify right side
   85,401.38x = 5,618,845,110.83
5. Step 5: Solve for x
   x = 5,618,845,110.83/85,401.38
6. Step 6: Final answer
   x = 65,793.38