Finding the Fourth Proportional to 369,620.97, 554,499.89 and 116,965.06

Step by Step Solution

1. Step 1: Write the proportion equation
   369,620.97 : 554,499.89 = 116,965.06 : x
2. Step 2: Convert to fraction form
   369,620.97/554,499.89 = 116,965.06/x
3. Step 3: Cross multiply
   369,620.97x = 554,499.89 × 116,965.06
4. Step 4: Simplify right side
   369,620.97x = 64,857,110,131.34
5. Step 5: Solve for x
   x = 64,857,110,131.34/369,620.97
6. Step 6: Final answer
   x = 175,469.24