Finding the Fourth Proportional to 85,314.38, 117,771.59 and 55,114.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,314.38 : 117,771.59 = 55,114.42 : x
2. Step 2: Convert to fraction form
   85,314.38/117,771.59 = 55,114.42/x
3. Step 3: Cross multiply
   85,314.38x = 117,771.59 × 55,114.42
4. Step 4: Simplify right side
   85,314.38x = 6,490,912,875.33
5. Step 5: Solve for x
   x = 6,490,912,875.33/85,314.38
6. Step 6: Final answer
   x = 76,082.28