Finding the Fourth Proportional to 309,981.82, 427,774.70 and 174,016.02

Step by Step Solution

1. Step 1: Write the proportion equation
   309,981.82 : 427,774.70 = 174,016.02 : x
2. Step 2: Convert to fraction form
   309,981.82/427,774.70 = 174,016.02/x
3. Step 3: Cross multiply
   309,981.82x = 427,774.70 × 174,016.02
4. Step 4: Simplify right side
   309,981.82x = 74,439,650,750.69
5. Step 5: Solve for x
   x = 74,439,650,750.69/309,981.82
6. Step 6: Final answer
   x = 240,141.99