Finding the Fourth Proportional to 85,076.72, 117,404.52 and 47,351.60

Step by Step Solution

1. Step 1: Write the proportion equation
   85,076.72 : 117,404.52 = 47,351.60 : x
2. Step 2: Convert to fraction form
   85,076.72/117,404.52 = 47,351.60/x
3. Step 3: Cross multiply
   85,076.72x = 117,404.52 × 47,351.60
4. Step 4: Simplify right side
   85,076.72x = 5,559,291,869.23
5. Step 5: Solve for x
   x = 5,559,291,869.23/85,076.72
6. Step 6: Final answer
   x = 65,344.45