Finding the Fourth Proportional to 85,992.30, 118,665.38 and 47,754.28

Step by Step Solution

1. Step 1: Write the proportion equation
   85,992.30 : 118,665.38 = 47,754.28 : x
2. Step 2: Convert to fraction form
   85,992.30/118,665.38 = 47,754.28/x
3. Step 3: Cross multiply
   85,992.30x = 118,665.38 × 47,754.28
4. Step 4: Simplify right side
   85,992.30x = 5,666,779,605.55
5. Step 5: Solve for x
   x = 5,666,779,605.55/85,992.30
6. Step 6: Final answer
   x = 65,898.69