Finding the Fourth Proportional to 85,468.86, 117,945.90 and 47,228.34

Step by Step Solution

1. Step 1: Write the proportion equation
   85,468.86 : 117,945.90 = 47,228.34 : x
2. Step 2: Convert to fraction form
   85,468.86/117,945.90 = 47,228.34/x
3. Step 3: Cross multiply
   85,468.86x = 117,945.90 × 47,228.34
4. Step 4: Simplify right side
   85,468.86x = 5,570,389,066.81
5. Step 5: Solve for x
   x = 5,570,389,066.81/85,468.86
6. Step 6: Final answer
   x = 65,174.49