Finding the Fourth Proportional to 102,205.37, 140,922.71 and 69,955.55

Step by Step Solution

1. Step 1: Write the proportion equation
   102,205.37 : 140,922.71 = 69,955.55 : x
2. Step 2: Convert to fraction form
   102,205.37/140,922.71 = 69,955.55/x
3. Step 3: Cross multiply
   102,205.37x = 140,922.71 × 69,955.55
4. Step 4: Simplify right side
   102,205.37x = 9,858,324,631.15
5. Step 5: Solve for x
   x = 9,858,324,631.15/102,205.37
6. Step 6: Final answer
   x = 96,456.04