Finding the Fourth Proportional to 85,452.29, 117,915.72 and 49,643.81

Step by Step Solution

1. Step 1: Write the proportion equation
   85,452.29 : 117,915.72 = 49,643.81 : x
2. Step 2: Convert to fraction form
   85,452.29/117,915.72 = 49,643.81/x
3. Step 3: Cross multiply
   85,452.29x = 117,915.72 × 49,643.81
4. Step 4: Simplify right side
   85,452.29x = 5,853,785,599.69
5. Step 5: Solve for x
   x = 5,853,785,599.69/85,452.29
6. Step 6: Final answer
   x = 68,503.55