Finding the Fourth Proportional to 314,861.73, 472,059.32 and 190,173.57

Step by Step Solution

1. Step 1: Write the proportion equation
   314,861.73 : 472,059.32 = 190,173.57 : x
2. Step 2: Convert to fraction form
   314,861.73/472,059.32 = 190,173.57/x
3. Step 3: Cross multiply
   314,861.73x = 472,059.32 × 190,173.57
4. Step 4: Simplify right side
   314,861.73x = 89,773,205,185.30
5. Step 5: Solve for x
   x = 89,773,205,185.30/314,861.73
6. Step 6: Final answer
   x = 285,119.46