Finding the Fourth Proportional to 116,965.30, 175,446.33 and 28,218.06

Step by Step Solution

1. Step 1: Write the proportion equation
   116,965.30 : 175,446.33 = 28,218.06 : x
2. Step 2: Convert to fraction form
   116,965.30/175,446.33 = 28,218.06/x
3. Step 3: Cross multiply
   116,965.30x = 175,446.33 × 28,218.06
4. Step 4: Simplify right side
   116,965.30x = 4,950,755,066.72
5. Step 5: Solve for x
   x = 4,950,755,066.72/116,965.30
6. Step 6: Final answer
   x = 42,326.70