Finding the Fourth Proportional to 85,763.50, 118,351.86 and 47,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,763.50 : 118,351.86 = 47,522.72 : x
2. Step 2: Convert to fraction form
   85,763.50/118,351.86 = 47,522.72/x
3. Step 3: Cross multiply
   85,763.50x = 118,351.86 × 47,522.72
4. Step 4: Simplify right side
   85,763.50x = 5,624,401,831.31
5. Step 5: Solve for x
   x = 5,624,401,831.31/85,763.50
6. Step 6: Final answer
   x = 65,580.37