Finding the Fourth Proportional to 123,698.88, 170,644.32 and 73,362.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,698.88 : 170,644.32 = 73,362.24 : x
2. Step 2: Convert to fraction form
   123,698.88/170,644.32 = 73,362.24/x
3. Step 3: Cross multiply
   123,698.88x = 170,644.32 × 73,362.24
4. Step 4: Simplify right side
   123,698.88x = 12,518,849,558.48
5. Step 5: Solve for x
   x = 12,518,849,558.48/123,698.88
6. Step 6: Final answer
   x = 101,204.23