Finding the Fourth Proportional to 85,500.24, 117,989.88 and 47,774.16

Step by Step Solution

1. Step 1: Write the proportion equation
   85,500.24 : 117,989.88 = 47,774.16 : x
2. Step 2: Convert to fraction form
   85,500.24/117,989.88 = 47,774.16/x
3. Step 3: Cross multiply
   85,500.24x = 117,989.88 × 47,774.16
4. Step 4: Simplify right side
   85,500.24x = 5,636,867,405.50
5. Step 5: Solve for x
   x = 5,636,867,405.50/85,500.24
6. Step 6: Final answer
   x = 65,928.09