Finding the Fourth Proportional to 85,222.49, 117,607.61 and 47,499.17

Step by Step Solution

1. Step 1: Write the proportion equation
   85,222.49 : 117,607.61 = 47,499.17 : x
2. Step 2: Convert to fraction form
   85,222.49/117,607.61 = 47,499.17/x
3. Step 3: Cross multiply
   85,222.49x = 117,607.61 × 47,499.17
4. Step 4: Simplify right side
   85,222.49x = 5,586,263,391.39
5. Step 5: Solve for x
   x = 5,586,263,391.39/85,222.49
6. Step 6: Final answer
   x = 65,549.17