Finding the Fourth Proportional to 85,494, 117,979.52 and 47,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,494 : 117,979.52 = 47,768.56 : x
2. Step 2: Convert to fraction form
   85,494/117,979.52 = 47,768.56/x
3. Step 3: Cross multiply
   85,494x = 117,979.52 × 47,768.56
4. Step 4: Simplify right side
   85,494x = 5,635,711,779.89
5. Step 5: Solve for x
   x = 5,635,711,779.89/85,494
6. Step 6: Final answer
   x = 65,919.38