Finding the Fourth Proportional to 85,249.28, 117,642.72 and 47,522.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,249.28 : 117,642.72 = 47,522.56 : x
2. Step 2: Convert to fraction form
   85,249.28/117,642.72 = 47,522.56/x
3. Step 3: Cross multiply
   85,249.28x = 117,642.72 × 47,522.56
4. Step 4: Simplify right side
   85,249.28x = 5,590,683,219.76
5. Step 5: Solve for x
   x = 5,590,683,219.76/85,249.28
6. Step 6: Final answer
   x = 65,580.42