Finding the Fourth Proportional to 454,085.37, 681,120.72 and 154,774.35

Step by Step Solution

1. Step 1: Write the proportion equation
   454,085.37 : 681,120.72 = 154,774.35 : x
2. Step 2: Convert to fraction form
   454,085.37/681,120.72 = 154,774.35/x
3. Step 3: Cross multiply
   454,085.37x = 681,120.72 × 154,774.35
4. Step 4: Simplify right side
   454,085.37x = 105,420,016,709.53
5. Step 5: Solve for x
   x = 105,420,016,709.53/454,085.37
6. Step 6: Final answer
   x = 232,159.02