Finding the Fourth Proportional to 85,273.68, 117,676 and 47,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,273.68 : 117,676 = 47,036.72 : x
2. Step 2: Convert to fraction form
   85,273.68/117,676 = 47,036.72/x
3. Step 3: Cross multiply
   85,273.68x = 117,676 × 47,036.72
4. Step 4: Simplify right side
   85,273.68x = 5,535,093,062.72
5. Step 5: Solve for x
   x = 5,535,093,062.72/85,273.68
6. Step 6: Final answer
   x = 64,909.75